A lacrosse ball like the one used in the clip (similar to the Kieba Massage Lacrosse Balls on Amazon) gives more resistance, while a tennis ball (like the Penn Championship 3-Pack) is softer.

So, pack that tennis ball, embrace the oddities, and get ready for a smoother, smarter journey! Five Indonesian spots that ...

You should always pack these things in your carry-on, too. Rolling a tennis ball along your body loosens up stiff muscles and stimulates blood flow. It’s practically the ultimate on-the-go self ...

With numerous compartments for your water bottle, racket, tennis balls, and personal items, ... She carries her rackets in a Wilson Super Tour 6-Pack Tennis Bag during competitions, ...