I will tell the truth though. Suddenly I had to scoot from Edmonton down to Calgary Alberta Cdn, back in '49, to see about some "used" m/cs we might pick up at a good price, only my Vincent was in the stages of having a change of forks & really nothing was ready bar an old 350 Royal Enfield, when main owner told me to take his 500 Royal Enfield.
So down there made the deal, made sure the correct bikes were on a truck, time to grab something to eat & head home. Only back was killing me & realized it was the ruddy Flanders bars on the bike & all my weight was on my butt.
In those days one could set the throttle & keep it there with a snugging of a knurled hand adjustment on the drum of the twist grip.
I was doing all sorts of things in riding with one hand to lord knows what ONLY the back was worse. Then I tried it by riding side saddle & leaned forward with elbows/arms on my legs. Try it just lean forward in your chair, put your hands/arms there & the pressure is taken off your back. Now as for the two feet simply cross them with one on the footrest (footpeg to you chaps).
Yes I could take the bike into & out of all bends in this position & clocking probably around 80-85KPH--50-55mph. I know it is stupid, but I was only 19 yrs of age ---- young, crazy, & a good competitor in dirt comp.
It is dark & the yellow glow from the famous Lucas system was normal. Obviously I must have fallen to sleep for there was this terrible blast form a set of air horns that woke me up, I quickly got around to normal riding position as the Greyyound Bus went by.
I was a bit shaken for I still had half of a sandwich in my hand with a bite taken out of it, only it was going dry due to the wind.
Off the bike to calm myself down, tried to ride again & got the shakes so off into the ditch to really relax. Then back to riding home only from then on I rode in the sensible manner.
When I think about it I must have covered around 50+ miles partially asleep in said position.
So in honesty I have not ridden with both hands on the bars all my 57+ yrs & YES often I was a prize twit.