The Beginner''s Guide To Grooving And Siping Your Tires ...
SIPING: Siping is a technique first patented in the 1920''s by a man named John Sipe who came up with the idea of putting razor cuts in his shoes to give him better traction. A sipe is simply a razor thin cut or slit in the rubber tread block. When applying this technique to a dirt tire, siping will do many things.