ITEM NAME:Leather Edge Stitching Groover Leathercraft Groove Gouge DIY Tool 1mm #gib Store Home Promotion Hot Item Add to Fav.Scratch the leather edge with the blade of the stitching groover, there will appear 1mm gouge groove. Usage: Rotate the screw to adjust proper space, and hold the stitching groover against leather edge and pull back emphatically, you'd better use a little left rotation strength when pulling to ensure that the blade can cut the surface of the leather.