Glock Lanyard Loop Frame Insert is made from Glock polymer ll. The exact same polymer as your Glock frame. Consequently it enables quicker speed reloads. Furthermore the frame insert seals the open cavity in pistol frame. Sometimes the lanyard loop insert is referred to as a frame plug or butt plug!! There is an attachment ring for a lanyard hook. Glock EU refered to this as a Glock Frame Clip and now refers to a Lanyard Clip
Available GLOCK Lanyard clip colors:
Glock Lanyard Loop Frame Insert keeps your Glock 100% Genuine
Glock magazine well plugs or Glock Lanyard Loop Frame Inserts are genuine Glock OEM products. As a consequence a Glock Frame Clip is not considered to be a modification for those shooting competitively in a standard pistol category.