I can see doing the Happy Gilmore thing as a footwork drill or to help with timing or any number of swing issues.
But with a rubber-band around the knees? While you're contending in a tour event? With people watching?Were all the straitjackets taken?
Here's Morning Drive's live range coverage of Padraig Harrington before his Honda Classic third round 71. Could this be another former multiple major winner in a few years?