Like new UA UniMount Deluxe flat strap adapter. This adapter will allow attachment of binos without a 1/4-20 mounting hole to the Unimount Deluxe. Binos are securely strapped with velcro to the aluminum plate. Plate then attaches to Unimount in place of L bracket. See photo.
Asking $18 including shipping in the CONUS. New from UA this item costs $25 plus shipping. PayPal preferred.