From the NannyMUD documentation
2001-01-02
unwield_hook - Unwield hook
/obj/living_functions
Any object can use hooks.
unwield_hook
unwield_hook is called from stop_wielding().
wield_hook in hooks/wield_hook
NAME
unwield_hook - Unwield hookSYNTAX
void unwield_hook(mixed arr, object living)DESCRIPTION
unwield_hook is called from stop_wielding(). The arguments to the hook are as follows: ({ The weapon class, The object being unwielded}) The living doing the unwielding