DSC01602 By Aaron HershPublished Feb 12, 2013 comments Tweet Share Share Print << Back to StoryOpen full size in new window.The clamp for the pad can go behind or in front of the extension clamp. Photo: Aaron Hersh SONY DSC comments Tweet Share Share Print Liz Hichens is the Web Producer of Triathlete.com. She is an Ironman and marathon finisher and fan of all endurance sports. Follow @lizhichensFollow on Google+All articles by Liz