Bayonet Mount Nose pads
Bayonet mount silicone or PVC nose pads typically in Rimless and Semi-rimless frames and some other metal frames. What is a Bayonet style nose pads the nose pad slides on to shaft rod it enters at the top edge into the center length wise. Certain models of Silhouette frames uses a wire with a small Loup on end in a very comfortable hard replaceable PVC nose pad.