It's a rare category of accessories, but headphone holders do indeed exist. One year ago, Just Mobile debuted HeadStand, and now Heckler Design has an alternative called Headphone Stand ($29-$49). Made entirely from scraps left over from producing its Windfall Stand, Headphone Stand is a piece of metal with round segments sticking up on either side. They're sized to hold the earcups using only tension, at about the width of a head. Five colors are…
