[Siebler]

This would probably help with your bow/stern lines. 2 options, 1 screws in other closes in the hook (or hatch). We stock both at OEX.

http://www.thule.com/en-US/US/Produc...ood-Loop-Strap

http://www.thule.com/en-US/US/Produc...ick-Loop-Strap