I second the alternation idea, I have something like 4 input devices I alternate between to "spread the load" across different limbs and body parts. People expe

I second the alternation idea, I have something like 4 input devices I alternate between to "spread the load" across different limbs and body parts. People experiment with different keyboard layouts too that basically remap the characters to different keys on the keyboard. * roller mouse * left hand vertical mouse * right hand vertical mouse * trackpad * foot pedal