Not sure where to put this post as I am pretty new here. I am sure that some of you know about using a high intensity light with a blue lense to track wounded game at night. The intense blue light makes the blood stand out like it is illuminated. Any droplet of blood on a twig, the ground or on grass will stand out-a bright red on a brownish background. Have never had to use it myself buthave helped others to find their deer. The light is always in my bag.