Clit Clamps

We've just got one of these but it looks a bit scary to me so I've been hiding it and saying it hasn't arrived yet :) But as he's home from a business trip next week I thought I'd better 'fess up.

Has anyone used them and do they hurt much?

http://www.lovehoney.co.uk/orgasmarmy/MessageBoard.aspx?toplevelID=12&threadID=11874