Buy here: http://www.vat19.com/dvds/chalktrail.cfm?adid=youtube Please subscribe to our channel: http://www.youtube.com/user/vat19com Hundreds more curiously awesome products at: http://www.vat19.com/?adid=youtube ******************* Snap Chalktrail to the back of your bike and draw a line of chalk wherever your bike goes! Draw simple paths, twisting curves, figure eights, perfect circles, or grab a group of friends and create gigantic spirograph-like designs.