/teamtitleist/sea/b/blog/posts/day-2-tour-validation-shriners-prototype-pro-v1-pro-v1x On a chilly, overcast morning at TPC Summerlin, Titleist Brand Ambassador Jimmy Walker walked off the third green with his head down and a Vokey Design wedge in his right hand, a new prototype Titleist Pro V1x golf ball bouncing up and down off theen-USTelligent Community 10