Abstract: An apparatus for allowing a golfer to practice his club swings indoors or out. The apparatus is equipped with mechanical indicating devices that tell a golfer at a glance if his swing was correct. These indicators, which are held in place by magnets on a steel plate and have means for threadedly adjusting their overall height, can be precisely positioned to take into account variations between different golfers and between different driving clubs or putting irons. The tops of the indicators are formed of a highly springy, resilient material which vibrates for an extended period of time after being hit or even brushed by a club. A good swing can be easily recognized as one after which none of these fault-finding indicators are moving.