To transport your kayak, you'll need some way of securing it, whether on a roof rack, truck bed, or trailer. I recommend the type of tie-down strap shown above, with hooks on the ends, and cam buckles, not ratchets. Ratchets are a pain in the ass, and you don't need all that much force anyway. In fact, you don't want too much force, your boat is only made of plastic!
More: Tie-Downs ...