What should you do if a climber's straps show excessive wear?

When straps on a climber show excessive wear, the safest course of action is to replace them immediately. This is crucial because worn straps compromise the integrity and safety of the climbing gear. Climbing involves significant risks, and any worn or damaged equipment can lead to accidents or injuries.

Replacing the straps ensures that the climber has reliable equipment that can withstand the forces and stresses encountered during climbing activities. It's essential to prioritize safety by using equipment that is in excellent condition, as this not only protects the climber but also ensures the safety of others who may be climbing in the vicinity.

Using straps that show any signs of excessive damage can lead to catastrophic failure, especially during critical moments in a climb. Therefore, immediate replacement is the best practice for safety and reliability in climbing situations.