I have used rawhide, built up leather with and without superglue. When I use leather, I generally use the scrap leather I buy by the bag for 5 to 7 bucks. Unfortunately the tanning method for this type leather does not make it super glue friendly. That's when I started just building up layers of leather and sanding it to shape on the belt sander. I kinda like it better. It is not quite so hard making it grip better, at least for me.