When I used to courier in Boston this was a major problem. Just about all the guys I knew on bikes sliced open the tips of their riding shoes (usually Nike ACG hiking boots) and inserted lead. Someone comes to close, let out the boot and leave a mark. Worked for me.
Trunkmonkey is here! There is no cone...
Sean Sosik-Hamor <
sean@trunkmonkey.com >
Epinions Automotive Reviews by `Sean