Discussion: At first glance, read this ...

At first glance, read this as paddling (mountain bike), so went through a quick succession of mental images of "what is J-J up to this time" possibilities.
Mtn bike with wrap around flotation devices for amphibious adventures; Mtn bike with boat on a trailer that flips over, bike into the boat and J-J paddles off...
Somewhat disappointed it was just a run of the mill mtn bike outing, albeit with some wetness opportunities