I do the same to each set of tires I put on my bike, to remove that initial shiny layer. Not as easy on the front tire tho...
Just a warning that beer googling stuff like that in the early hours can lead to this in the later ones
Just something to take away these crappy weather blues....The King .... lovely USA sunshine and some hot totty shuffle dancing... ( oh I so need to come back as the first bird in my next life )
Gee, there'd be some sore bodies at the end of that day. And organisers allowing two do go down with upper body clothing? Bloody hell!!