Padraig Harrington experiments with swing used in movie Happy Gilmore . R & A confirms The film 's plot centers of the fortunes of failed ice-hockey player Happy Gilmore , played by Adam Sandler , who masters a powerful and dangerous slap shot which he converts to golf with devastating effect . devastating technique is legal under the rules of golf . Score: 6 Dr Mark Smith believes method could catch on .
Padraig Harrington experiments with swing used in movie Happy Gilmore . R & A confirms devastating technique is legal under the rules of golf . Score: 6 Dr Mark Smith believes method could catch on .