www.sewingeducationcenter.com (free lesson videos and premium courses). The simple and effective technique to doing a bra cup installation on a dress. Most people, even pros, get this wrong. This video will show you the one secret that you need for a bra cup installation that will keep it set but flexible. Presented by Hyi Lim, author of the popular Blue Jean Original “Magic” hem YouTube video, an industry professional with over 45 years experience.