I tested Knuth's High Heat 257+ driver and metal woods to determine whether its unique 3 trampoline technology makes a difference in lowering an amateur's scores. I used a Foresight Quad launch monitor which shows the exact contact point on the club face and resulting ball speed and distance.

My independent testing showed the High Heat 257+ driver had slightly more and slightly less ball speed and distance on off-center toe and heel hits compared to center hits. See his High Heat 257+ driver review.

Then I tested 257+ metal woods hitting to a regulation size green because missing greens increases a golfer's score far more than any other factor. My test results showed that all center, toe and heel hits on the 257+ metal woods landed on a regulation size green with about the same distance, which for many will lower their scores. See his High Heat 257+ metal woods review

"All amateur golfers should realize the same significant benefits similar to my driver and metal wood test results that make a difference for lowering their scores.” See both reviews.

Doug Hoxeng, Ph.D. Arizona Golfer News (Emphasis added)