Sea-Doo Ratchet Tie-Downs All PWCs (except Sea-Doo SPARK). Designed specifically for strapping a PWC to a trailer: one strap does it all. Custom 4-hook system is ideal for quick installation/removal without separating strap from ratchet. Fingertip tension adjustment with deluxe ratchet. 1 (2.5 cm) Sea-Doo branded polyester strap features hull protector pads, extra strap holder and coated hooks.