The Black Diamond Lockdown Leash's slipknot configuration tightens when weighted, and smoothly releases with a simple pull. The padded wrist strap provides all-day comfort and even weight distribution.Compatible with any technical ice toolSlip-knot configuration tightens when weighted; release by hooking and pulling loop with hammer or adzeRated to 2 kNWeight : 58 g (2 oz)Strength : 2.7 kN (600 lbf)
Best Price: £7.97 from Go Outdoors