You can only shoot as fast as you can see and you can only shoot as accurately as your ability focus. Chris Sajnog's Front Sight Focus String teaches you to both! Now you can train to become a better shooter anywhere and it's faster than learning on the range, wasting ammo. Designed by Navy SEAL Sniper Chris Sajnog with the help of eyesight performance optometrists, this device is scientifically proven to improve your ability to focus. Focus faster = Shooting faster! Improve your accuracy!