Without question, the Power Swing Fan is one of the easiest and most effective products for increasing distance and control available on the market today. Simply pick it up and swing it 20-25 times a day, and you'll be on your way to better technique, longer drives & lower scores. A colorful fin decal provide the player with a quick & easy reference while swinging. It comes unapplied to accomodate both right and left-handed players. Set up so the fin with the decals is square to the target. You shouldn't be able to see the decal clearly, just the edge of the fin.