O'Brien 3" Kneeboard Extension StrapThe O'Brien extension strap is a 3in extension strap for your kneeboard. It adds and extra 3in of length to your existing strap and gives you a bit more room to get a good fit. Ideal for the bigger rider to get into the strap easier.Features: Ideal for Bigger riders and those that are no so athletic; Ideal for all Kneeboards that use a 3'' Footman loop for the strap;