All of the conferences I've been to have had adjustable lanyards that attach to two corners of the badge, like this one: http://encosia.com/attachment/1067/ htt

All of the conferences I've been to have had adjustable lanyards that attach to two corners of the badge, like this one: http://encosia.com/attachment/1067/ http://encosia.com/attachment/1067/. Solves both the belly-length and flipping problem. I doubt I would wear a two-piece magnetic contraption unless it was required for access to the event. That and I would be more likely to lose half of a two-piece badge than all of a hanging badge.