Examples include chocks, stoppers, nuts or any other wedge-shaped pieces that fit into cracks, as well as hexentrics and tricams that are rotated to fit tightly into cracks and holes.

• 包括CHOCKS，STOPPERS，岩塞，或者其它适用于裂缝的楔形保护器材，也包括能够被紧紧旋入岩缝或岩洞的HEXENTRICS和TRICAMS。