get a bunch of jewellry or whatever, like gold rings with those huge-ass fake gems on top.
Gangsta knuckle dusters.
And yes I'm being serious.
Or learn how to use the envirionment around you as a weapon, or taking weapons from your enemies, such as first guy pulls out a club, you could elbow or kick out a window and use the glass to cut them, when fighting, be aware of your surroundings, so if a punch is thrown at you, you could make sure you're behind something that hurts to throw a punch at, etc.