It's to hold a couple of packs of kleenex tissues. It'll go on Nudger for a trial run and, as it's on a suction cup mount, will be easily transferable and ready for when the R3 arrives and you start beating off ......... BIG TIME!
Like your style Jez, but I've got a much better imagination than that since Mrs YM got me into watching Dexter.
To stick on your petrol tank or screen to use as your old fashioned sat nav,,,,,,directions written on paper or card
A hand-"painted" low profile pillion pad that gets suction-cupped to the fender? Or if you can't convince anyone to ride pillion on it you can perch a tail bag on it?
Given the number of clever people on here, I’ve got not chance of figuring this out.... as someone famous said to me once ........ I’m clueless