Fobus Roto Thumb Break Holsters (Left Hand) Glock 17, 19, 22, 23, 31, 32, 34, 35 Fobus Roto Thumb Break Holsters (Left Hand) Glock 17, 19, 22, 23, 31, 32, 34, 35 Leather Retention Strap. Passive Retention Allowing Rapid Presentation Level II Retention Lightweight and Low Profile Design for Concealability 100% Lifetime Warranty