Summary: will be able to spot imperfections and correct them quickly. Remember the paint mark must face up when you install your axles so if you start to accidentally rub it away, repaint it. Finally polish your pinewood derby axel by using the basic polishing techniques shown on the DVD. Finish up by using the CLOTH side of an EMERY sheet. Don't use the abrasive side which
Image Dimensions: 220 x 147
Image originally found here.