T posing on the haters
I wanted to put my (piano) keyboard on my desk so I moved the two halves of my (typing) keyboard all the way to the edges of my desk. Now they are more than shoulder width apart. I'm not totally used to it yet, but hopefully the external rotation of my shoulders is better for my posture.
On that topic, mechanical keyboards is the one hobby that I quit just because I found the best one. I built my ergodox from a kit and nothing I tried after that was better, so I was saved from this particular special interest.