Abstract: An archery training aid comprising an indicator light, source of energy for the indicator light and a switch or contact device to sense the full draw of the bow. The contact device or switch in one embodiment comprises a slide block engaging the cable guard and retained thereagainst by two oppositely movable bow string flights. Electric contacts on the slide block are engageable by a metallic swage affixed to one of the flights at a location on the flight for movement into engagement with the slide block upon full draw of the bow. In the other embodiment the slide block is affixed to one of the flights and the swage affixed to the other oppositely directed flight. The slide block includes a slideable engagement with the other oppositely directed flight to retain alignment with the metallic swage. The indicator light is positioned conveniently adjacent the sight pin for simultaneous viewing by the archer.