And this is another item that can be fashioned at home from odds-and-ends. Pretty nifty.
I thought of using the connector/swivel (minus the strap) from one of these (
http://www.bhphotovideo.com/images/images150x150/561958.jpg), but decided to splurge on one of the Strapbuddy things recommended by Graham ($14.50 at Amazon.com). Thanks, Graham.