… The legs are bent up against each other after being pushed through. Standard pins should not be reused after disassembly for safety reasons, because securing and releasing changes the material structure. Snap-on clips and fast pins are reusable self-locking pins. Due to the resilient effect of the material, they snap into place. Linch pins consist of a spring clip and a body in which the clip is pivotally mounted. When securing, the legs are interlocked with their bracket to create a self-locking effect. Drop nose pins and quick pins are suitable for quick connections without an additional pin.