that portion of an orthodontic headgear that rests on a portion of the occipital part of the cranium, thus directing the reaction force of the headgear force module to a site that is outside the oral cavity; the direction of the force on the maxillary molar is backward or backward and upward (see neck strap )

The component of a (primarily) extraoral appliance that distributes and transfers responsive force to the cranium.

In leather bindings, a shaped and modelled turn-in over the top and bottom of the spine.