A mechanical device used to create friction when belaying by putting bends in the rope. Many types of belay device exist, including ATC, stitch-plate, figure eight, gri-gri. Some belay devices may also be used as descenders. A Munter hitch can sometimes be used instead of a belay device.

Protection device with moving parts.

A temporary secure point that climbers use to protect them from injury during a fall. (There are many different forms including trees, bolts, boulders, cams, pitons, etc.)

To protect a climber from falling using a rope, friction, and an anchor.

A metal shaft permanently fixed into a hole that was drilled into the rock, and is held there with epoxy or friction. A hanger accompanies the bolt, to which a ring or biner can be attached.

The practice of climbing on large boulders. Typically this is close to the ground, so protection takes the form of crash pads and spotting instead of belay ropes.

The art of climbing on buildings. Note that this is often illegal.

A spring-loaded device used as protection, and also known as active gear.

Metal rings with spring-loaded gates, used as connectors. Also known as crab or biner.

A compound used to improve grip by absorbing sweat. It is actually gymnastics chalk, usually magnesium carbonate. Its use is controversial in some areas.