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Yes, I use all my fingers. My assumption is that I use a different amount of force and the distance to each key differs based on the position of the key and which finger I am using. Maybe it is ridiculous though, it was just an idea I discussed with a friend over coffee, I haven't actually looked at the accelerometer data when I am typing.
myownself-
Ok, then I understand your train of thought!
If I would use a very old (but very reliable) IBM keyboard I would probably need more force, compared with my current not so great MS Surface Pro 4 keyboard where keys move only 1 mm or so. With my way of typing, I'm however doubting the accuracy would be much better than randomly right, of course the Bangle/Bangles would need to be very tight to reduce any slipping.
Interesting idea anyway, I'll put it behind my ear.PS Similar solutions can be found by searching for
make any surface a keyboard, e.g.:
https://www.youtube.com/watch?v=cQqgm7PGSXA&ab_channel=Akshay
https://mashable.com/article/wearable-surface-keyboard
ThomasVikström
And you use all fingers, not only index fingers? If using all fingers, how would it be possible to know what finger you pressed a key with, even if you are moving your wrists?