TAGUA GUNLEATHER BELT HOLSTER with THUMB BREAK. Genuine Premium Grade Cowhide/Steerhide Molded Leather Construction. Steel-Reinforced Snapping Thumb Break. Thumb breaks may go over the slide or behind the slide, depending on the gun model. Tagua’s Signature Classic Original BH1 Holster – Concealment You Can Trust. A Customer Favorite for Over 15 Years.