Originally Posted by
Cowman
and do these spills usually occur just after you reached with your hand to wipe the moving tire?
I dont think I am going to try it
It's an old trick I learned from my tubular days in the 70s. Not that uncommon or especially dangerous.
https://www.sheldonbrown.com/brandt/wiping.html
https://www.velonews.com/gear/techni...-wiping-tires/
Technique to wipe glass from rear tire on the fly.