Use H.O.G. Lock Retention System as a replacement part or as an upgrade. The Hand Of God (H.O.G.) Lock Retention System is standard on some Shred Ready composite helmets and the Super Scrappy helmets. Updated version has one centra micro adjusting ratchet. Original Version had two opposing micro adjusting ratchets on. The ratchet tightens mono-filament lines that make for the prefect positive fit. The ratchet and anchors are attached to a coated PVC harness lamented and stitched to closed cell foam.