www.sewingeducationcenter.com (free lesson videos and premium courses). Hyi Lim presents a variation of Blue Jean Original "Magic" Hem tutorial by showing you the simple technique to hem and cuff dress pants or slacks with no telltale signs. Hyi carefully walks you through this powerful hemming technique which tailor shops charge a premium for. Presented by Hyi Lim, an industry expert with over 45 years experience.