The jewelry store holds a few in the safe and on display.

The insurance companies demand you use it if you are claiming to have expensive jewelry

Wakes up when not receiving the signal anymore. Signal emitter sends location to the device so cannot be stolen. Jewelry calls in half an hour later once or twice so very little stored energy is required.

Idea from cab driver Sammy Peretz
-- pashute, Feb 08 2018

If you are stupid enough to waste resources on bits of metal and small glittery crystals purely for decorative purposes, you are shallow, foolish, more deserving of pity than condemnation, and if you lose every penny you have wasted on them it's all your own fault.
-- 8th of 7, Feb 08 2018



random, halfbakery