Petzl's Gri Gri is the most popular auto-locking belay device in use today, most of its problems are to do with the Gri Gri's misuse rather than its design.
Petzl的Gri Gri确保器是今天最多人用的自动确保器，大部分的问题在于处理使用上的错误而非设计有问题。
Petzl's Gri Gri is the most popular auto-locking belay device in use today, most of its problems are to do with the Gri Gri's misuse rather than its design.
Petzl的Gri Gri确保器是今天最多人用的自动确保器，大部分的问题在于处理使用上的错误而非设计有问题。
应用推荐