When belaying a single rope you can use any one of the rope slots.
Atc belay device.
A belay device acts as a brake on the climbing rope by applying friction to it.
With the right belay device a small weak climber can easily arrest the fall of a much heavier partner.
The primary downside of all atc or tube style belay devices is that a firm grip is required on the brake strand of the rope at all times.
Often copied but never equaled the black diamond atc belay device provides lightweight yet durable belaying and rappelling performance anytime anywhere.
Anatomy of an atc.
These are the openings in the belay device to pass the ropes through most atcs have 2 rope slots which allow them to belay half or twin ropes.
If the belayer is hit by a rock slammed into the wall or the rope somehow slips out of their grip a falling climber will hit the deck in about one second.
The device plus the belayer s quick braking hand which locks off the free end of the rope helps keep tension on the rope and helps protect the climber at the other end.
It is designed to improve belay safety for the climber by allowing the belayer to manage their duties with minimal physical effort.
A belay device is a mechanical piece of climbing equipment used to control a rope during belaying.
It isn t one of the assisted braking belay devices but for the how much it cost it is a great product.
This is the main body of the belay device.