I don't know man I've been using claw grip for all my life, even before I knew it was called claw grip. It just felt natural to me.
The Level 10 M has received a reworked design with the Level 10 M Hybrid, by the way. I've used Level 10 M Hybrid for a while in our office and preferred it over the regular Level 10 M, especially due to the finger bank on the right side.