colisions are normals based. so the body normanls point out ward hair sees and clides with these. your helmit normals poing outward but the inside they face the wrong way for hair to see them. the way around this is as follows. export your helmit as ojb. then dleat it from your sceen. import the ojb click flip normals and do you sym with it. it will be flaky to see it as only the inside of the helmit will be visable for the sym. after your sim is comepleated deleat the ojb helmit from the sceen and aply the normal lib helmit scale and place. havent tryed this yet my self but in therie it should work. Let us all know if it dose. hope this helps Laters Vel