US Patent 10156734 Eyewear traction devices and methods

Eyewear can be provided that include at least a support and a traction surface that allows the eyewear to be retained on a user's face. The support can include at least an earstem and a face. The traction surface can be coupled to a portion of the support. The traction surface can provide a greater amount of traction force before slipping when subject to forces in certain directions and can provide a lesser amount of traction force before slipping when subject to forces in other directions.