The Gator Eyes Blood Trail Marking kit is a must for any big game hunter! Each light is equipped with a gator clip and a magnet making it the best blood marking light on the market. 1. Hang a light at the point of impact or first blood. 2. Follow the blood trail 3. Hang a light to mark the last blood if you need to expand the search to find the next blood. 4. Continue tracking. 5. Recover your harvest and mark with a light to return to the spot. 6. If all lights are used marking last blood in search of next blood - back out and wait 6 - 10 hours.