Climbers often used to leave pitons in the cliff, which is environmentally messy, another of Mr Chouinard's peeves.

此之前，登山者通常把岩石崖壁中，这种对环不利的行为让乔德十分气恼。

Yvon Chouinard changed his favourite sport, mountaineering, by introducing reusable pitons (the metal spikes you bang into the rock face and attach a rope to).

使用可循环利用的岩石（登山者把这种金属长敲进岩壁后上面栓绳索）。