To make your wall workouts more effective, use a foam or low-compression ball instead of a regular tennis ball. You'll give yourself more time to move your feet and master your technique.
It turns out tennis balls are a handy addition to the at-home ... The friction created between the felt and the wall can help lift those pesky scuff marks without damaging paint - unlike some ...
What are tennis balls made of? Modern tennis balls are made of a hollow rubber core, covered in a wool or nylon shell which is known as the nap. Pressurised air inside the rubber core makes the ball ...