Goin downtown Chicago on the S turn [more like a Z] in the right lane on the left side there are pockets on the right to pull over to see laser light show of Chicago fest.Partner turns right into pocket I turn right caross oil strip and bike slids out from under me before I could say "oh poop " it was over.Covered my head expecting the car behind me to run me over.Tore up my arm on bridge grate cause jacket was strapped to handlebars,bro comes over picks up bike and said's I was the 4th guy to do that :o.As I took a strong pull from that 1/2 dog he had in he's pocket. <thumbsup>