how to detune your board

What You Need Medium-Course File. It can be found at any hardware store. Gummy Stone–Great for removing minor burrs; a good thing to have in your pocket at all times. Diamond Stone–Use like the gummy to polish your edge.

for more info click on link and follow it step by step

http://snowboarding.transworld.net/how-to/how-to-detune-your-board/