When I was 10 I was in my neighbours back yard eating blackberries. I was throwing them in the air and then catching them in my mouth.
Well, I wasn't paying attentionand tripped over the handle of a rake that was lying in the grass. I fell flat on my a$$ right on the prongs that were pointing up. And it wasn't one of those plastic ones... it was like this one:

(maybe minus the rust, but exactly like this)