Hi Mr. Rawles,
Instructables.com  is one of five web sites I visit on a daily basis (second to yours, of course), and I love seeing links to it from your blog.
I don’t know if you’ve seen the following entries, but they’re certainly handy in a pinch:
Of course purpose-built stretchers, slings, and bandoleers would serve one best; but once the Schumer hits the fan, the next best thing might just be made from stockpiled duct tape and parachute cord!
Best Regards, – Skip H.