Patent ID: 8453263

Claim:
A shirt for improving a swinging motion of a user wearing the shirt, the shirt comprising: front and rear panels each having corresponding top, bottom and generally opposing side edges, wherein the front and rear panels are adjoined to each other by the top and side edges, defining an interior space of the shirt; said front and rear panels including sleeve cutouts formed on each side edge adjacent the top edge, and a neck cutout formed on the top edges of the front and rear panels; at least one tubular sleeve permanently joined to the front and rear panels of at least one of the sleeve cutouts, the tubular sleeve defining an inside area, the inside area being fluidly connected to the interior space of the shirt; a member substantially adjacent to the sleeve cutout and the side edges of both the front and rear panels, wherein the member is located in a pouch within the inside area of the at least one tubular sleeve; and the pouch being substantially adjacent to the sleeve cutout and permanently coupled to the shirt, the pouch being in fluid communication with an opening configured to receive the flexible member for allowing the member to be easily inserted or removed from the pouch; and wherein positive sensory feedback is provided during the swinging motion by the member, for guiding an arm of the user substantially steadily on plane and substantially keeping the arm adjacent to a side of a chest of the user while allowing the arm of the user to move freely without being coupled to the chest of the user.