ITEM NAME:4pcs DIY Hand Stitching U+V Shaped Groover Skiving Edge Beveler Tool KitS Hn.Application: The U V shaped leather craft tool for leather edge skiving tool. 1 95V Groover. 1 95U Groover. 1 115V Groover. 1 115U Groover. When used, the leather is pushed forward at an angle of about 45 degrees, and the leather edge is peeled off to make the leather edge appear smoother.