Originally Posted by Clemens Fassler
interesting thread! Some of you mentioned lacrosse-balls. Are those balls harder than tennisballs? Because I´m looking for some harder ones. Now if you´re wondering....I´m from Germany and lacrosse isn´t really popular over here
Yep, lacrosse balls are quite a bit harder. If you can find a mail order sporting goods company you should be able to get them for about $1 apiece at quantities of ~10 or more. Not sure how easy they are to find in Europe, though.