The Slinger Bag ($949) justifies its price by acting as a portable, 144-ball capacity “coach” that pays for itself in 3 months compared to private lessons. While cheaper machines like the Franklin Sports exist, they lack the oscillation, battery life, and app control required for serious solo training.

Drilling alone is boring. There, I said it. Hitting against a wall ruins your rhythm. You want to practice ‘fast hands’ volleys, but you have no partner. And don’t even get me started on trying to work on your third shot drop when the only thing dropping is your motivation to schlep to the courts by yourself.



