take a palm sander, or if youre not comfortable with that just use your hand and sandpaper, and round off the edge where the topsheet meets sidewall. i have kitten factory rayzrblaydz ( killer skis that are durable) and they chipped so bad with in the first 15 min of use. i took a sander and beveled the top sheet (as i just explained how to do) and its worked wonders. it really helps prevent serious top sheet chips. i recommend this to anyone who has sandwich construction type skis.