If you took a piece of tin or pop can and punched a bunch of holes in it with a nail you would end up with dragon skin.

It works great for final shaping on minicell foam, I liked it much better than sanding.

NWOC sells it but didn't have a photo in their catalog. It is near the bottom of the page

http://www.nwoc.com/retail/index.asp?subcatid=22

: I've got my seat roughed out using a 4" grinder which worked pretty
: well. Looks like I'm going to be able to do an overnight "leak
: test" in a couple weeks (sans varnish or any deck rigging) and want
: to take something along to do any needed adjustments to the seat. My local
: hardware store staff, who have done wonders on lots of things for me, have
: never heard of Dragon Skin.

: Can someone please describe this magic stuff or recommend other simple tools
: for final shaping of minicell foam?

: jrs