This mod adds beartraps that you can craft and use.
You can use it to trap mobs or players
The beartraps works how it usually does, if you or a mob steps on it, it will deal 19 damage to whomever steps on it. It will snap and close
[Beartrap Reactivation]
To reactivate a closed a beartrap is simple, to do that you just need to activate with redstone.