The Black Diamond Big Air XP Package is an essential belay/rappel package featuring the multiple-friction ATC-XP. The ATC-XP maintains the silky-smooth feeding of the ATC but ups the braking power thanks to its grooved rope slots. The Mini Pearabiner scewgate biner is a compact, lightweight locker with a non-snagging keylock nose and a large rope-bearing surface for smooth belays and rappels.