I've had the Salvo Fisch, the Xtasy with Shiver switch, 2 Shivers themselves, (I redund) as well as the JF XTC (old and newerish), Uberschall, and the Hammerhead from the new line.
Whoa. When you say it like that its kinda scary.
Anyway, the Hammerhead is thick and bloomy...not sure if...