This is really held at the boot of the caster, but we put it as the waist because the limitation of the equipment slot system.
The knife boot's sleek leather sheath hugs your calf, its razor-edged blade glinting like polished obsidian beneath the reinforced toe. A hidden spring mechanism snaps it forward with a metallic hiss, extending the foot-long dagger for a lethal kick. Worn leather creaks against skin as the hilt locks firmly, ready to slice through flesh or armor in a single, brutal stomp.