Efe Cem Elci - Looks very promising, thank you!
rans6andrew - Nice idea, but
no tether hole, unfortunately.
mixture - Good idea ref disability suppliers. Will follow-up if the first idea above draws a blank. Ref cheapo case, please see OP.
Ancient Observer - The phone is very large, very white (if there can be such a thing!), and already a talking point because of it so no Duck Tape, thanks!