I find it real easy, I just refuse to fly where there are no Aircraft
VHF radios in the tow planes, and the tow pilots know how to use them.
No problems on meaning of rudder waggle, to me it means "Ready to
commence Tow".

Real simple, real easy, really works. Many times when I was in
training I got behind a tow plane/pilot that was doing something I
certaintly didn't undderstand, like going downwind from the airport 5+
miles when it was howling, a simple radio transmission would have told
me he was "Looking for Lift" but in a L-13 he'd better take me an
extra 3,000 feet high to be sure I could get back! Since he didn't I
stasyed on till he finally came back to the airport area.

Oh, and for you sceptics on radios working, I always call the tow on
the grid to let him know who I am. If no answer, no flight until it's
remedied.

Wayne, The JayWalker