Summarize this article:

Place your weight on the ball of your foot and pivot 90-degrees to your left. Bring your feet back together. Pivot turns are used in many line dances, including the popular Cupid Shuffle, to change directions or to link other steps.

Summary:
Step forward with your right foot. Shift your weight to your left foot. Repeat the move with your left foot, this time pivoting 90-degrees to your right.