Wed, 22 May 2013 04:48:04 GMT 4BQnhkyr - showroom of unique products for sale on Ponoko http://www.ponoko.com/showroom/4BQnhkyr/5414 A headphone cord can pull through the stainless steel slots, which then secures to your jacket or shirt collar. This prevents the cord from pulling your headphones / ear-buds off if the cord catches on anything. Great for exercising or everyday use.<br></br><img alt="Img_0698_showroom_image" src="http://static3.ponoko.com/design_images/images/28258/269ae606-6218-3648-be88-d350d8619000/img_0698_showroom_image.jpg?1298753461" /> Sat, 26 Feb 2011 21:07:44 GMT http://www.ponoko.com/showroom/4BQnhkyr/5414?time=Sat+Feb+26+20%3A57%3A09+UTC+2011 4BQnhkyr