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I am Mark Evans and have created a tool that sharpens the knobs on dirt bike tires.

Some of you guys, like me, who have sharpened your knobbies with vice grips and razor blades, blow torches etc.....Anything to save a buck :smashpc: will appreciate this tool.

Others may have questions in regards to the sharpening process and will wonder if it really works and if it is really worth it. *Feel free to ask me any questions in regards to sharpening techniques.

Yes, tire sharpening is a great way to add life to your tires and KnobbyKnife makes it quicker,easier....some guys even saying it's fun.

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