Remove the unidentified appearance of “grappling hook” as “iron hook”, it’s confusing and serves no good purpose.

Archeologists begin the game with a grappling hook.

New artifact The Captain’s Hook, artifact grappling hook that never fails to do what you want it to do and has zero chance of hooking yourself, regardless of skill. Deals double damage to crocodiles.

Rope golems sometimes drop leashes, bullwhips, or grappling hooks upon death.

Wearing gauntlets of power, you can snag a boulder and pull it with a grappling hook. If in Sokoban this incurs a penalty.