My wife, Zoe, and I went on a beach walk at Ebey's Landing here on Whidbey Island. I had a neck strap on my camera and she had a wrist strap on hers. Several times during the day we both wished we had the other strap. On the way home, Zoe said that I should design a strap that was both a neck strap and a wrist strap. When we got home I w