The shoulder belts should not angle down more than 20 degrees (to prevent compression of the spine). They definitely should not angle up away from the shoulder.This should explain just about everything including Hans (and similar) device applications. http://www.schrothracing.com/sdocs/2009_Competition_Instructions.pdfThere is also a similar package in the current issue of Grass Roots Motorsports magazine. May not be on the stands yet--mine came in the mail yesterday.Roo