Grappling hook

A grappling hook was a three pronged hook that was attachable to a rope.

Uses
Its intended use was to make climbing easier and safer but thieves took advantage of the tool and it has since become a crucial tool for a thief.

Variant
A foldable, single-pronged version of the grappling hook was included in a rope set sold by Aurora's Emporium in its "Thieves' Corner" sortiment.