How to groove TURF TAMERS?

[reichart90]

i just bought a pair of turf tamers. how do you groove them?... as in what do u use to cut or shave the rubber. also whats a preferred pattern? any pics would be helpful. thanks!
-tim

[Chino886]

Hey Tim, they sell tire groovers on rocky mt. or there is some Horse_ _ _ _ _ _????? that people use....do a search, there was a thread a couple of weeks ago about it....