The present invention provides a jacket for swing training for a sport requiring swinging of a sports implement. The jacket comprises a body, a first arm and a second arm extending on either side of the body, a front, a back, an interior and an exterior. A first body band encircles the interior portion...http://www.google.es/patents/US7117538?utm_source=gb-gplus-sharePatente US7117538 - Swing training jacket
