The Kershaw 1555G10 Cryo Assisted Opening Flipper Knife Black G-10 Stonewash Plain Edge. The 1555G10 Cryo features a stonewash finished blade and framelock with a black G-10 handle. This assisted opening knife is an inexpensive Rick Hinderer designed folder with a high-quality build. The Cryo is a frame lock knife with a Hinderer lockbar stabilizer. The blade is deployed with a push of the ambidextrous thumb stud or flipper. The pocket clip is reversible for multiple carry options.