The Ark's about the easiest hitch hike shuttle in the world - just hold your PFD in your left hand.
I constantly marvel that in this day of widespread paranoia, I'll stand on the side of the road with a bright yellow knife conspicuously mounted on my PFD that's capable of decapitating and filleting any unsuspecting driver, and still get a ride in a matter of minutes, often with the first car to come by.
I probably wouldn't get nearly as many rides if they plainly see my bonesaw...
Nothing in the world is more yielding and gentle than water. Yet it has no equal for conquering the resistant and tough. The flexible can overcome the unbending; the soft can overcome the hard. - Lao Tse