[Shoresands]

If this is prevalent where you play make some index cards with the message "Golf Etiquette 101, (a) on par 3's never hit your tee shot until the preceding group clears the green completely, likewise,(b) on par 4's never hit your 2nd shot and (c) on par 5's don't hit your 3rd shot. Violation results in a 2 stroke penalty or loss of or plugging of ball according to severity or number of violations exceeding one at the option of the lead group." Then leave one next to the cup. Next occurance, pocket their ball.