I always used a torch, body file & a fine touch. It takes a lot of practice to do & not screw things up. I'd recommend taking it to a pro. I've heard of people using dry ice but I never tried it or watch someone do it with dry ice.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.