enobacon, I got a flat tire today in the hookworm, with a mr tuffy's strip which it exactly missed the edge of. The shard of glass was about 1/2in long spear. Before I started, the sweeper had a flat from steel wire. On the way there, the guy on a bike in front of me stopped and had a flat. Yesterday I helped a guy with a flat. PBOT needs to not do this to us with the contaminated gravel whenever it snows. #BikeTooter