FOOTBAG HISTORY Hacky Sack co-inventors, Mike Marshall (left) and John Stalberger. As is the premise with most successful notions, work and dedication are as important as timing. John Stalberger, the architect of the now global footbag movement, has capitalized on all three. Stalberger, a stocky Texan with a vast sports background, was on vacation in … Continue reading About Footbag