More ideas from Radek
Stop a Wandering Bit - Even the sharpest bit tends to skate across hard materials like tile, metal or glass, leaving loopy scratches behind. To steady a wandering bit, give it a softer place to start. Thin cardboard (the stuff cereal boxes are made from), taped firmly in place, works perfectly.

Stop a Wandering Bit - Even the sharpest bit tends to skate across hard materials like tile, metal or glass, leaving loopy scratches behind. To steady a wandering bit, give it a softer place to start. Thin cardboard (the stuff cereal boxes are made from),