Getting started in the art of custom leather holster making? How to Make Leather Holsters is a great book to start with. It contains instructions on how to make holster patterns from your gun, how to assemble, how to lace or stitch, how to make leather lined holsters and much more. It even contains a pattern for a leather holster that fits many cap pistols.
Leather holster kits for many popular guns are available for those wanting a quick method of creating a leather holster.