BG Adjustable Leather Stitching Groover, Multiple SizesBG Adjustable Leather Stitching Groover, Multiple Blade Sizes An adjustable stitching groover creates precise grooves (AKA channels) in your leather. These grooves are ideal for resting stitched thread or as marking lines. The groove in the leather allows the stitching to line up and rest neatly, resulting in a professional finish. It can also be use for decoration purposes, carving, making a fold line, or a prep line for skiving. This stitching