Abstract: A device that attaches to the golf club usually the putter that determines the direction the golf ball must be stroked to compensate for the slope of the green. The device is detachably fastened to the golf club by an attachment lock or a strap for easy removal. The putting direction is determined by the golfer by standing away from the golf ball and viewing the golf ball and the golf hole or pin. Holding the golf club with one hand on the top of the golf club and the other hand at the bottom of the golf club aligns the shaft of the golf club so that the club shaft runs thru the golf ball on the bottom and the golf hole or pin on the top of the club shaft. The golfer than consults at the PUTTER SCOPE that is attached to the golf club in a location that does not interfere with the view of the golf ball or the golf hole. Holding the golf club firmly with the lower hand the golfer than moves the upper hand either to the left or right until the indicator needle of the PUTTER SCOPE is pointing straight down.