As an example of how this works, here's my current keyboard layout (it tends to change every few weeks as I find something else I want sitting on a layer): http

As an example of how this works, here's my current keyboard layout (it tends to change every few weeks as I find something else I want sitting on a layer): https://configure.ergodox-ez.com/ergodox-ez/layouts/xbLyp/latest/0 https://configure.ergodox-ez.com/ergodox-ez/layouts/xbLyp/la... Holding the key labelled "OSL1" will switch the layout to the "Symbols" tab. The blue keys are dual-function, tapping them will enter the character on top, holding will turn it into the modifier key below. Finally the Gaming layer, toggled by the bottom right key on the keyboard, turns off all the special mappings and turns it into a standard QWERTY keyboard, because my muscle memory for game controls is too deeply entrenched to deal with in the middle of a fight :)