In-the-water wading rest

[OldTimer]

In getting older - I do find that my back and legs do get sore or tired a bit quicker after long periods of wading the currents, or striding along the shoreline shallows.

I came across this simple floating 3rd leg device today:

http://www.wadeeasy.com/index.php

Has anyone used one of these? - looks like it might help me lengthen my outings by getting a bit of a back-rest break out in the water.

Or have you seen something better?................ love to hear.........

Cheers,

OldTimer