Amazon.com: Ice Scratchers Kit FIT FOR All Reverse and Non-reverse Gear Equipped Snowmobiles Also Replacement for Track Heights 2-1/2" and Taller 2PCS : Automotive
Ski-Doo Ice Scratchers - YouTube
A NEW TRIC FOR SNOWMOBILERS - Supertrax Online
12" Performance Ice Scratchers with Replaceable Carbide Tip - Short - Straightline Performance