This holster, worn inside the waistband, has a metal band that will clip on your belt and allow you to tuck your shirt between the holster and pants for complete concealed carry. Holster is hand-boned to fit only this frame, providing superior retention. Holster is constructed from high grade, noncorrosive leather with partial double stitching for added strength. New holsters will have a snug, tight fit and will only loosen slightly with use. Ambidextrous capability (left or right hand use). Holster cant is adjustable up to half an inch, providing the ability to achieve virtually any desired carry position. Fits Glock 21 Slim Frame.