-Push a rasp into the front edge, twist quickly in both directions. Repeat up face.
-Add sand or sawdust to paint and apply along the front edge.
-Buy a black ribbed knobler and unroll over the stick.
-Melt a bicycle inner tube along the front edge.
-Place a piece of coarse sandpaper tightly along the front edge and rub another piece of wood forcefully into the back of it to drive it into the face.

Never really liked the hacksaw approach, reduces the stick to puck contact area too much and tends to disrupt the puck moving smoothly along the face.

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