HOW TO DO IT
The secret's in the setup. Copy the positions at left.
1. Take a short iron (7-, 8- or 9-iron, depending on the distance) and choke down midway on the grip.
2. Set up with your feet close together and your body leaning forward. Keep everything square to your intended line.
3. Check that your sternum is in front of the ball. Press your hands forward, making a triangle with your forearms.
Use your regular chipping technique and make a crisp pop on the ball. Try to catch the ball before the sand. You'll need more swing speed than for a normal chip, because the sand will slow the club down and you need to roll it 40-50 feet.