Progressed from Leopard to Diamond, Sapphire, Musket and Grand Grace as arm speed grew; says 90% of their full-distance tee drives would be worth the Musket.
“DX Leopard -> Opto Diamond -> Opto Sapphire -> Opto Musket -> Grand Grace. 90% of my full distance drives from the tee would be worth the Musket. This progression”