I want to make a coat that lights up when the wearer hugs someone. Any ideas on how to detect this? i was thinking heat but that might work too slow additionally I was thinking about something like this but wasn't sure how well it would work.
This...
...somewhere on the torso or shoulder. Combine it with a big one of these...
https://www.google.com/search?q=texas%20belt%20buckle&tbm=shop
...for the ultimate fashion statement. 