https://youtu.be/WvLjYyZ6wtU
I've made it so that holding CAPS and pressing:
- i/j/k/l is same as arrow keys
- e/s/d/f is same as arrow keys
- SPACE is same as backspace (ALT+SPACE = DEL)
It does a whole lot more in Emacs, but that's a bit superfluous for this comment.
https://youtu.be/WvLjYyZ6wtU