A few years ago I was wheeling a Pinbot on an old school pinball dolly that was difficult to raise and lower so I was wheeling it for a short distance along a driveway in the raised position. So I run over a seam in the driveway and the whole thing tipped sideways and the game fell off.
Instinctively i stepped around to try and keep the game from hitting the cement.
It landed right on the front of my shin, scraping it literally to the bone and sending me to the ground injuring my wrist. The pain was excruciating and the game hit the concrete anyway and smashed up the head. The shin-skin never really grew back, i still have a weird scar, and still have that Pinbot. Ive been way more careful ever since.