write chars
Press the combination with asdf and jklö. The uppermost finger is the index, lies on f on lefthand and j on right, the rest follows downwards
e.g ⠃⠁ is pressed with df and j (btw it is a t)
lowerUPPERcase
lower: keyup first with the left hand; upper: with the right (not sure..todo?)
For more see umija.org/dev:backkey