Buy
this man!! No one would fuck with a guy who was carrying this around! If you don't have 100 bucks to shell out for it, make a something sharp in your garage and shank those fuckers! Sure ya may get your ass kicked, but if you don't they'll probably leave you the fuck alone. Another tactic my dad used when he was a kid in cali is to find each of the people that ganged up on him, and beat the living shit out of them.