For my purposes, I’m building a custom controller using x2 3 axis joysticks. I would love to be able to simultaneously control vert/pitch/roll and forward/lateral/yaw or other combination utilizing any other axis (L+R Sliders) available by whatever joystick or Xinput device. (This is a bit selfish 
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otherwise I could work with
F+L / V+Y <=> F+L / R+P should replace the existing toggle!