I should of added that my friends problem with the SPOTS was in canyons with tree cover, but if you are going to fall down and break a leg can you pick your spot to do it?
One thing that you can do it contact your wife like my brother in law does. He will call her every couple of nights on the cell phone. He might have to drive a few miles to find a signal but he'll do that just to let her know that he is OK.
One of the most important pieces of equipment that you will take hunting is a good quality pair of optics and they take some care to give you the performance that you want. So here are a few tips.
Use some alcohol and cheese cloth to clean the lenses. I will usually pick up an extra cleaning kit from my optician when I have my eyes examined.
Don't touch the lens with your fingers. If there is a stick or a bug on them blow it off.
Use the lens covers. They are there...