Cheers. I've got two older Js, but given my propensity to chew through the mouthpiece I just keep them for spare. The one I have is somewhat simple, but does have a corrugated bend that dangles into my BC inflator, as well as the purge that prevents the rescue breath maneuver that I don't know. I yanked the fixed keeper and replaced it for a stock one. I use a neoprene slap strap that I think might get in the way, but I have the old silicone one somewhere. I'm fully willing to discover that I've lent on a gear solution to a skills problem, even if the gear solution is going the opposite way to most ![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)