The unassuming pocket knife delivers plenty of cutting power. By Adrienne Donica Published: Jul 29, 2020 2:39 PM EDT. ... Locking Mechanism: Lockback. There are a few ways to open the Twitch.

Bear Edge Knives, a Bear & Son Cutlery brand, has expanded its line of assisted-opening lockback knives with the release of the new Bear Edge 61120.