I got one of the type that slides into place over the top of the chamber. The cover appears to be part of the original briar with about five holes in the top. I think they were also refered to as motorist or sparkproof style pipes. Has anyone used, or still use these. I'm trying to decide if I should keep it or get rid of it. I have a number of pipe windcaps I use after I load up my pipes and put them in a bag.