I also have a Kinesis Advantage. I use colemak keyboard layout as well so I've customized the layout a bit. Because capslock is backspace in colemak, I changed

I also have a Kinesis Advantage. I use colemak keyboard layout as well so I've customized the layout a bit. Because capslock is backspace in colemak, I changed the backspace key to control. VI sucks with colemak so I eventually moved to using emacs. It works very well for me - your thumb is always on control.