I certainly don't. I'm really only a closet fixed gear rider who secretly has a derailleur and triple on the front; but when I'm pretending I actually have experience riding a track-specific drive train via my Milwaukee cog - I don't skid. I use my front brake because burning up $100 in tires for kicks doesn't work for me or my budget; it's very dry here too and the roads are very chewed up, so an attempt to skid could become an all-stop moment rather quickly depending on the road conditions.