How to Attach a Belay Device

When the climber has tied in to one end of the rope, the belayer must attach their belay device to the other end of the rope and also to their harness.

The following description assumes you will be doing a ‘top rope’ climb. The setup is different for lead climbing.

belaying with an ATC for top rope climbing

Attaching a Belay Device to your Harness

Step 1
Push a loop of rope through one of the slots on the device. There are two slots on most devices, it doesn’t matter which one you use.

threading rope into belay device

Step 2
Clip a screwgate carabiner to your belay loop.

clipping screwgate carabiner to belay loop

Step 3
Clip the screwgate carabiner through the rope loop and also through the cable on the belay device. It is important to clip through both of these.

clipping carabiner to ATC

Step 4
Fasten up the screw on your screwgate carabiner.

Fastening gate on carabiner

Friction Notches

Some belay devices have friction notches on them. These notches provide extra help in holding a fall.

You should make sure the notches are on the same side as the brake rope (the section of rope which doesn’t go to the climber).

friction notches on belay device

Safety Check:
Have You Attached Your Belay Device Correctly?

Rock Climbing Infographic: Belayers setup

Related Topics

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