9 electronic stroke enhancement unit in the nature of accelerometers, video cameras, video cassette recorders, miniature video cameras, miniature video cassette recorders, miniature television cameras, video monitors and instructional manual sold as a unit for sports and recreational activities featuring any of clubs, rackets, bats, sticks and rods, namely, in the areas of golf, badminton, tennis, lacrosse, hockey, polo, fishing, baseball and softball; prerecorded video and audio cassette tapes, diskettes, magnetic data carriers, featuring stroke enhancement techniques, each of the aforementioned goods for sports and recreational activities featuring any of clubs, rackets, bats, sticks and rods primarily in the areas of golf, badminton, tennis, lacrosse, hockey, polo, fishing, baseball and softball; computer software for use in database management for sports and recreational activities featuring any of clubs, rackets, bats, sticks and rods, namely, in the areas of golf, badminton, tennis, lacrosse, hockey, polo, fishing, baseball and softball; computer software for use in monitoring and aiding the development of consistency of swing downloadable from a global information networks for sports and recreational activities featuring any of clubs, rackets, bats, sticks and rods, namely, in the areas of golf, badminton, tennis, lacrosse, hockey, polo, fishing, baseball and softball