Which method of rope use is NOT recommended for static ropes?

The use of static ropes is typically not recommended for lead climbing due to the dynamic forces involved. Lead climbing requires a rope that can absorb energy during a fall, which is a critical safety feature. Dynamic ropes, designed to stretch and absorb energy, are better suited for this purpose. Static ropes, being less elastic, do not provide the same level of protection in the event of a fall. Using a static rope for lead climbing can result in injury or equipment failure due to the high forces generated, making it a poor choice for this application.

By contrast, hauling, rappelling, and ascending can all be performed with static ropes because these activities generally do not involve the same dynamic forces encountered in lead climbing. In hauling, static ropes are utilized to lift loads without the need for elasticity. Rappelling, which involves descending under controlled conditions, can also safely use static ropes, as the force exerted is predictable and does not involve dynamic impacts akin to those during lead climbing. Similarly, ascending techniques can be performed with static ropes since they are intended for vertical movement rather than absorbing impact forces.