Sun Valley Ski Tools instructional tuning Video or DVD will cover the basics to the hi-tech with a couple of tips along the way. Covers side and base edge beveling, sharpening and stoning. Base prep, waxing, brushing and roto brushing, giving you pro tips on Fluoro and liquid wax applications. Minor base repair (p-tex use) and how to use a true bar. This instructional aid will show you the in’s and out’s of how to finely tune your skis and snowboards by hand. Approx 64 minutes in length. Done Professionlly by SVST by a professional tuner, you won't find anything this good on the internet.