According to the 2018 BJS report, the main reasons (about 80% each) that local police and sheriffs’ offices had acquired body-worn cameras were to improve officer safety, increase evidence quality, reduce civilian complaints, and reduce agency liability.

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This article will explain how to seal air-dry clay so that it is high-quality and will allow your structures to look professional and long-lasting. You can find out more below to make sure that you seal the clay correctly.

Hold the sealant at least 6 inches from the clay and spray the whole sculpture evenly. The sealant must be evenly distributed to avoid any uneven patches. If you overspray the sealant, it can run, making the final product streaky.

Clay sealstamp

Developed by the NIJ-funded NLECTC Sensor, Surveillance and Biometric Technologies Center of Excellence, A Primer on Body-Worn Cameras for Law Enforcement provides an introduction to body-worn camera systems. The  report discusses the functions and features of body-worn camera systems and highlights issues and factors that law enforcement organizations should consider before and during implementation.

The first way that you can seal ADC is to use a spray sealant. This is a very easy way to seal your clay and it works well on both large and small objects.

Body-worn cameras are widely used by state and local law enforcement agencies in the United States. They are worn principally by officers in the performance of duties that require open and direct contact with the public. Despite their widespread and growing adoption, the current evidence regarding the effectiveness of body-worn cameras is mixed. Some studies suggest that body-worn cameras may offer benefits while others show either no impact or possible negative effects. The mixed results of these studies strongly imply that additional research is needed. In particular, more studies employing randomized control trials [1] are needed.

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Based on these reviews and the existing research on the impact of body-worn cameras use, it is clear that further research is essential to determine the value of body-worn cameras use and potentially the more effective ways body-worn cameras could be deployed. Given the growing use of body-worn cameras, it would be best to build in rigorous evaluations as law enforcement agencies expand their use of this technology.

After you have painted 2-3 coats of acrylic paint over the clay, make sure that you leave the clay to fully dry for a minimum of 24 hours.

Any water left inside the clay will cause the clay to become weak, so you should leave it for 72 hours to dry fully before applying the sealant to the surface.

Research does not necessarily support the effectiveness of body-worn cameras in achieving those desired outcomes. A comprehensive review of 70 studies of body-worn cameras use found that the larger body of research on body-worn cameras showed no consistent or no statistically significant effects.[3] This meta-analysis was rated by CrimeSolutions and resulted in a No Effects rating for the impact of body-worn cameras on use of force, assaults on officers, officer-initiated calls for service, arrests, traffic stops and tickets, and field interviews (i.e., stop and frisk). See Practice Profile: Body-Worn Cameras’ Effects on Police Officer Behavior. This profile is based on a meta-analysis published in 2020.

Sealing air-dry clay is important as you need to make sure that you have a good base to work on. It will also keep your clay protected, so it is very important to make sure that you apply the sealant correctly, but how?

Official websites use .gov A .gov website belongs to an official government organization in the United States.

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Although sealed ADC is protected, you still need to be aware that sealants are not as powerful as a glaze when it comes to protecting clay.

[note 6] Scientific Working Group on Imaging Technology, Recommendations and Guidelines for Using Closed-Circuit Television Security Systems in Commercial Institutions, Version 3.0, June 8, 2012.

There are various ways that you can seal ADC, but it must be done properly so that it protects your clay sculptures. You can find out more below about the different ways to seal ADC to make sure that it is done properly.

SealingClayAir Conditioner

Make sure that the surface of the clay is clean before applying as you do not want to paint over dust. This will affect the finish of the sealant and it will not be as smooth.

[note 1] RCTs provide the highest degree of confidence that observed effects are the result of the program and not of other factors.

The normal period for drying ADC is between 24-48 hours, but it is best to leave the clay for 72 hours to ensure that it is fully dry. This will prevent any water from becoming trapped inside the clay and being unable to escape.

Air-dry clay (ADC) is great to use as it is easy to work with and it doesn’t require the use of advanced equipment, like a kiln, but it still needs to be sealed.

[note 3] Lum, C., et al, Research on body-worn cameras: What we know, what we need to know, Criminology & Public Policy, pp. 93 – 118,  March 24, 2019

VGA, HD 720P, and 1080 HD are predominant standard resolutions. The higher the resolution, the more storage is needed. Estimates below were created assuming H.264 compression with medium to high motion at 30 frames per second (fps) derived using a heuristic formula widely used in industry. Actual storage utilized is dependent on scene complexity and the motion of the video captured. Consider what sort of analysis may be conducted on the video before selecting a resolution. For example, if forensic video analysis is anticipated, a resolution less than VGA is not recommended.

Once you have finished spraying the sealant, you will need to let it fully dry before painting. Painting over wet clay will produce a messy finish on the surface, so make sure that the whole sculpture is dry before proceeding.

Secure .gov websites use HTTPS A lock ( LockA locked padlock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

These mixed findings are further reflected in findings from evaluations of ten body-worn camera programs that have met the stringent criteria for inclusion in NIJ’s CrimeSolutions, see Table 1.[4] Across these evaluations, researchers looked at a range of outcomes, including use of force, citizen complaints, arrests, and assaults on officers. Four of the body-worn camera programs evaluated were found to have no, limited, or even negative effects.

[note 2] Hyland, S., Body-Worn Cameras in Law Enforcement Agencies, 2016, Bureau of Justice Statistics, November 2018. Note that this survey excluded federal agencies, sheriffs’ offices with only jail or court duties, and special-purpose agencies such as transit police and campus police.

Mugs that are glazed and fired are protected from water as the glaze is strong, but sealants are not as tough. Although they protect the clay, it can be difficult to make the protection from liquids as long-lasting as a glaze.

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Using a spray is not preferable for a lot of people, so if you would rather use a sealant that you can paint onto the clay, you can use Mod Podge.

Sealingclayrohs

When you seal ADC, you make it waterproof to protect it from any water damage. If the clay is exposed to water, the structure can become weak and damaged, so making sure that it is sealed will keep it in good condition.

[note 5] Home Office Centre for Applied Science and Technology, Body-Worn Video Technical Guidance (pdf, 10 pages), May 2014

Agencies should consider how body worn cameras will meet their mission needs and requirements prior to procurement and use of the technology. To provide general guidance to law enforcement practitioners, NIJ, NIST and the FBI developed a table listing operating characteristics and associated functionality descriptions based on existing technical resources about criminal justice use of video.[5],[6] The operating characteristics and associated functionality descriptions in the table can help agencies determine what they need as they consider the commercial products available.

It comes in different finishes for you to choose from, such as gloss, satin, and matte, so you can be completely happy with the finish of your sculpture.

Air dryclaysealant

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After the first coat has dried, apply another one if necessary. Make sure that the second coat has fully dried before you begin painting to avoid any messiness.

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ADC needs to be completely dry before you apply a sealant as you need to make sure that the structure is strong enough to hold. If the clay is still wet when the sealant has been applied, the water molecules inside the clay will be unable to escape.

Mix the acrylic paint so that it is smooth to apply to the clay. Paint a thin layer of acrylic paint over the clay and make sure that it is dry before you apply another one if you feel like it is necessary.

To conclude, there are different ways that you can seal ADC to make sure that it is protected and secure. You can use spray sealant, Mod Podge, or acrylic paint to seal the clay as you need to be comfortable with what you are using.

Acrylic paint is a very durable sealant, so it is very popular for sealing ADC. It is best used on small clay sculptures as it can be very challenging to apply to large areas as the paint can be lumpy and uneven, not leaving a smooth finish.

In November 2018, the Bureau of Justice Statistics (BJS) published a report on the use of body-worn cameras by law enforcement agencies in the United States in 2016.[2] This report showed that:

To use Mod Podge, you need to mix the sealant until it is smooth and easy to apply. Paint a thin coat onto the surface of the clay and wait for it to dry completely.

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As a beginner working with clay, it is important to make sure that you learn the right techniques to ensure that you are developing your skills to make strong and stable pieces.

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[note 4] CrimeSolutions is the NIJ-funded federal clearinghouse of evaluation research, showing what works, what does not work, and what is promising across broad expanses of criminal and juvenile justice programs and practice. Learn more about CrimeSolutions.