The Granite Gear Top O' Thwart Bag. This innovative bag straps securely to the top of a thwart with amazingly strong Voile Straps. Keep what you need in the most convenient place right in front of you on top of the thwart. Excellent for Plano tackle boxes or other essentials like rain gear and bug dope. It features a removable plastic stiffener that can double as a backcountry cutting/fillet board. The Top O' Thwart Bag is made with durable 210 denier Cordura Brand fabric.