With heavy elastic bands  he was able to control the forward pressure while keeping the lateral rigidity intact

use a diamond stone file

Part Number: 55-500-15Kit UPC: 099999261798

For best results

100mm fine grit option is designed from the latest in diamond stone technology from Europe

Diaface Moonflex Diamond File Stone - 70mm 600 Grit - White _Free Shipping With heavy elastic bands heDiaface Moonflex Diamond File Stones come in a variety of sizes, colors and grit density. Customize your ski or snowboard edges with this unique file stone. The innovative and patented design allows you to cut and polish your edges at the same time. Saving time and maintaining quality is the name of the game. This 70mm stone with 600 grit comes in white, and can easily fit inside your jacket pocket. Carry it on the slopes, just in case you need a