Image may be NSFW.
Clik here to view.
This padlock can be operated via app. Combine that with a metal lock box, and a set of shackles with unique keys, and a prisoner can be controlled long distance!
Image may be NSFW.
Clik here to view.
This padlock can be operated via app. Combine that with a metal lock box, and a set of shackles with unique keys, and a prisoner can be controlled long distance!