Spinlock Mobile jammer for securing loaded lines 10-14mm

Easily attached to any strong point with a strop Hinged body can be opened and closed like a snatchblock Acts as an emergency line clamp in case of winch or other hardware failure, jammed halyards, riding turns or damaged lines Frees a winch for a sail change Custom options include rig or deck mounting holes Designed for use with ZS Rope Sense for load measuring and development projects