Gary Semics tells us how to do the scrub.
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About Gary Semics:
Learn our GSMXS time tested and proven practice and training methods to improve your riding skills and race results. How? Through our hands on Motocross School Group and Private classes, with 10 GSMXS Certified Instructors located in six countries. Through our Techniques and Training DVDs (currently 28 titles) shipped worldwide or through our Instant Access Video On Demand Streaming platform.