Never lose another nut again!

[TymeSlayer]

Kato LockOne. This is some pretty nifty stuff. You cannot loosen it without the nut and a socket. Should not melt or degrade from use.

https://www.katofastening.com/lockone.html

If someone wants to try it out, PM me with a size and I'll see if I can get you samples.

 

[VoodooBoss]

Interesting.

 

[TMSBOSS]

A spring loaded jamb nut?

 

[ArizonaBOSS]

Looks cool.