Check out the Miryoku layout (https://github.com/manna-harbour/miryoku https://github.com/manna-harbour/miryoku). I use a modified version. For me, that keypres

Check out the Miryoku layout (https://github.com/manna-harbour/miryoku https://github.com/manna-harbour/miryoku). I use a modified version. For me, that keypress is inner-right-thumb, right index, middle, and pink pressing homerow keys, and the key above my left index.