I have found that one of the most helpful items when bowhunting is a range finder. Not only does it help take some of the guess work out of judging distances to get that good shot placement but it will keep you from getting board when nothing is going on in the woods. I find myself ranging every stump,tree,log and rocks in my shooting lanes and along the deer trails where my stands or ground blinds are. When that deer does come in on the trail, I have already made a mental note at what distance that deer is at when it passes a tree that I have already ranged previously. It has definately made me a more successful bowhunter.