Badge Reel Adapter fits standard badge reels sized 32-35mm. This will let you attach two extra design to the side of the retractable string. It is removable so you can interchange as needed to different bade reels.

Works on badge reels that have a topper it wedges between the badge reel and badge topper to stay in place. If no badge topper you can glue around edges. 

Features a removeable 3D Printed staple which locks it to the badge reel. No glue necessary or you can glue for permanent attachment.