He clearly wants to transport those tires desperately but having bad luck on his side, he seems to forgot a rope so he can tie the two tires on his bike. An idea exploded into his head saving time & effort, he wore the two tires & drive his bike regardless of pesonal safety to multitask giving himself a satisfied job "wheel" done pat on the back. A good idea for some but stupidity for others... Depends on each one's perception.