[Amen Corner]

IMO, these are better than the almost golf balls. More realistic impact and ball flight, plus they don't go as far.

http://www.birdieball.com/

True concerning impact, ball flight is a close match.

We use them this past winter when we trained indoors. We converted the restaurant, which was naturally closed, to a practice facility with 2 nets and chipping baskets here and there. Due to its characteristics we where not afraid when the windows was hit....