Two piece, 
thick application, RivetMateshttp://www.adprivet.com/rivet_mates.htmlhttp://www.adprivet.com/rivet_mates.htmlhttp://www.adprivet.com/rivet_mates.htmlhttp://livepage.apple.com/shapeimage_7_link_0shapeimage_7_link_1shapeimage_7_link_2
Exploding  Peel Rivets http://www.adprivet.com/race_car_rivets.htmlhttp://www.adprivet.com/race_car_rivets.htmlhttp://www.adprivet.com/exploding_rivets.htmlshapeimage_8_link_0shapeimage_8_link_1