#lifehack / #tip
Is your #keychain getting to large. Here is your free open source solution.
(I call it the key #blockchain solution ;)
Just make sure to use either:
- a self locking nut like in the picture (you can see the small blue plastic piece inside the nut)
- to nuts that you interlock
- a little bit of glue on the nut (you can open it again by making it hot)