Reply To: Contaminated Lap?/Over Cutting Facets During Polishing › Forums › Beginner Questions › Contaminated Lap?/Over Cutting Facets During Polishing › Reply To: Contaminated Lap?/Over Cutting Facets During Polishing July 23, 2020 at 7:05 am #6696 FrankwoodParticipant @Frankwood Join a club and get some hands on help. The lap tipping so the stone only touches part of it wont scratch it, nor will having stickers or anything else that makes a slight wobble.