All the folding pocket knives that have locking mechanisms. Locks prevent the blade from closing unexpectedly, and help keep knife users safe. Locks are especially recommended when using knives for difficult or complicated tasks, in self-defense, and any other unconventional task. Common locking systems are Lockbacks, Liner Style Locks, Frame Locks, AXIS Locks, and Front Locks, Button Locks, Compression Locks, Arc-Locks, and other types of Piston Locks.
