Interesting coincidence, I was just pricing out the OEM ducati plastic pins, they're stupid expensive (~$9 a piece). You can get the same rubber strap from ducati (76410141A) for 2 bucks. Ducati of jacksonville has cheap shipping for little rubber stuff:
Choose OEM Ducati parts and accessories from Ducati Motorcycles Parts and maintain your motorcycles celebrated Italian performance, heritage and style. For fit and function backed by the Ducati name, choose OEM.