This is good news. I happen to have a family member who has lost one of his legs. He was Always outgoing and loves being outside. He runs a nice little farm even though he has to do it from a wheelchair. This will mean a lot to him, being able to get out and be in the out-of-doors! My first thought when seeing this was, oh great! Dead batteries on top of a mountain or all the way down to the bottom of a waterfall! EMT's with back injuries every day! Then I thought about my family member.