TGIF for the End of World Cup Soccer
Yoshihiko Shioda of Charlotte, North Carolina (USA)
According to the Abstract, "The practice ball is any generally spherical shape made of a flexible material and having an internal pressure of approximately atmospheric, for example an uninflated soccer ball. The practice golf club has a substantially oversized club head with a peripheral rim defining a large opening through the club head."
Thank Goodness It's Friday (and time to hit the links)