Here's what other sites are saying:
When you're ice climbing something sketchy, it's comforting to have the Petzl Nitro 3 Shock Absorber. If you fall, the stitching on this dogbone tears in order to absorb the impact force on your protection, which helps prevent small pieces or dubious placements from dislodging.
Petzl Nitro 3 Shock Absorber Quickdraw FEATURES of the Petzl Nitro 3 Shock Absorber Quickdraw For use with dubious protection when climbing ice or rock Reduces the impact force on protection in the event of a severe fall (absorber begins to deploy at 2.5kN) Velcro tab keeps the branches together for clean racking and use during climbs
For dubious protection when ice, mixed and traditional climbing - an optimal quickdraw in uncertain conditions.
- Mountain Gear