(high-tech sci-fi, gritty medieval, or modern heist)
A lock that requires tension to be applied in the opposite direction of the bolt's throw. Most pickers will spend hours trying to turn it the "natural" way. Devious Traps for Devious Locking System
(dark and menacing, or lighthearted and clever) (high-tech sci-fi, gritty medieval, or modern heist) A
The most effective trap is the one that makes the thief feel like they are winning. Devious Traps for Devious Locking System
For those who prefer a more "active" defense, these traps turn the tools of the trade against the user.