#1 Anti-Slice Golf Product - Works Off The First Tee...Guaranteed! Power Straight will absolutely reduce side spin off your club face correcting your hook or slice. It's just simple science. Reduce friction and you reduce side spin (the reason you slice or hook). Additionally, by reducing side spin, Power Straight will help you hit drives up to 13% longer. Power Straight® works in seconds - no drills, lessons, or training aids required. Just spray on your club face and play. Each application lasts a full round. Power Straight® is also a great protectant for golf club heads and shafts.