This is the largest portable hopper that I could find:
http://www.amazon.com/Gamma-Ballhop...e=UTF8&s=racquet-sports&qid=1267930001&sr=1-6
Do you think it would be good for personal practice? If not, which ones are good?
http://www.amazon.com/Gamma-Ballhop...e=UTF8&s=racquet-sports&qid=1267930001&sr=1-6
Do you think it would be good for personal practice? If not, which ones are good?