If he falls he just has to grab onto the umbrella which will provide a gentle float down to the ground.
Buses don't have seat belts. I don't see the problem.
Proof that the man who builds his home upon rock isn't always the wisest.
Take no heed to the signs above, lest you want this site to disappear.
Compared to wizardry, it's extremely unfulfilling.
It's much better than that grill that made every one so sleepy they went to bed on the floor.