This 1930 piece of old tennis memorabilia is called the Kum Bak Tennis Trainer which consists of wooden poles with a ball attached to rope for practice hitting.
This 1930 piece of old tennis memorabilia is called the Kum Bak Tennis Trainer which consists of wooden poles with a ball attached to rope for practice hitting.
This 1930 piece of old tennis memorabilia is called the Kum Bak Tennis Trainer which consists of wooden poles with a ball attached to rope for practice hitting.