Absolute Yo-Yo Mind Boggle from Dvorak

And Smothers Brothers - 03 - Yo-Yo Man

When I was growing up in California "the yo yo man (from the company (yo yo )) would be out on the play ground during recess doing his tricks. He would not sell yo yo's on the playgrounds; he would just do tricks and we would gather around and watch until the bell rang.
In our pockets were yo yo's and marbles.