Mark Allen. Uses for tennis balls

What Do You Do With Used Tennis Balls?
What Do You Do With Used Tennis Balls?
What Do You Do With Used Tennis Balls?
Well as some of you might know, or have heard me say that I am going in for hip surgery on the 21st of August. I went to the information seminar they had at the hospital to tell you what to expect with a total replacement surgery. The speaker said make sure you get a front wheeled walker and put tennis balls on the back legs so it moves over uneven surfaces without catching...