Tractionizing tires for ice racing. 2:18 video.
https://www.youtube.com/watch?v=P5bnYgI30ZQ
Previously:
https://www.homemadetools.net/forum/...675#post128712
https://www.homemadetools.net/forum/...930#post124831
https://www.homemadetools.net/forum/...683#post111218
https://www.homemadetools.net/forum/...532#post128084
https://www.homemadetools.net/forum/...150#post126075
https://www.homemadetools.net/forum/...492#post127847
