i never knew this... but i've played with tennis balls all the time.
posted by special_ops 1 decade 6 years 9 months ago • 1,197 viewsHow It's Made
Created: 1 decade 6 years 10 months 4 weeks ago
Updated: 1 decade 5 years 8 months 3 weeks ago
Views: 3,290
Updated: 1 decade 5 years 8 months 3 weeks ago
Views: 3,290
The show on the Discovery channel! And some other same style clips.