The Superflex collar is designed for use with permanently affixed traces connected as they would be to staple type hames. Should you want to use buckle in traces with the Superflex you will need these adapters. When ordering please be sure to select the width of your traces so that the buckles will be the correct size. Thanks.
Here is a link to the superflex collar https://chimacumtack.com/product/superflex-collar/
Please measure your traces. The adapters will be made to fit your traces.