If you are in need of a fancier device i would recommend looking at this company as they have many different types.
Atc belay device.
When belaying a single rope you can use any one of the rope slots.
Available at rei 100 satisfaction guaranteed.
It is designed to improve belay safety for the climber by allowing the belayer to manage their duties with minimal physical effort.
Anatomy of an atc.
A belay device is a mechanical piece of climbing equipment used to control a rope during belaying.
This belay device is simple yet effective and manages to get the job done.
Often copied but never equaled the black diamond atc belay device provides lightweight yet durable belaying and rappelling performance anytime anywhere.
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.
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.
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.
With the right belay device a small weak climber can easily arrest the fall of a much heavier partner.