the saws all and grinder are your friend
Don't tell them that! Are you not looking forward to followup threads like..."how do I soothe an acetone chemical burn on my Hootah?" and "What should I use to temporarily serve as a barrier in place of the missing skin on my Hootah?"That is awesome
BTW the answer is do nothing. With that little amount the skin cells should naturally replace themselves over a few days or weeks and problem solved.