Ladder Type Kernmantle Rope Decelerator. Designed for Professional use. Snatch type rope insertion, secured by carabiner or shackle, rather than sliding screw gates. Designed and machined out of 7075 T6 high strength aluminum by noted Stunt and Special Effects wizard Mike McCooey. The decelerators are black Type II anodized at an aerospace anodizer, and have been extensively destructive tested for optimum strength.