Some years ago I sand Shel Silverstien's "Three Legged Man" at a picnic. As I was crouched down putting the guitar in its case, I heard this creaking sound, looked around and there was a man with a brace on his leg standing over me. I knew he was about to brain me and I looked up, he was grinning, and he asked if I would sing it at his gathering. He thought it was very funny.