For grinding limb glass, and laying out the width profile. I use a limb pattern made from Formica and just spring clamp it to the limbs, then use spray paint to paint the outline. I use no masking tape until I’m boring the limbs. 36 grit on the edge sander makes short work of it roughing things out. Then use the electric or DA palm sander for finish. I like the balance of the small DA sander better than the electric, but the Mirka 6” with a 5” pad is pretty well balanced too. Kirk