10-4. I set mine and haven't removed since. The knob seems like a nice quick feature so I'm not lugging around extra tools if someone else wants to get behind
I have the TS Customs knob. I may go back to the stock knob, honestly. I may be a bitch... but tightening down the TS Customs knob enough such that my cheek piece doesn't still lift out almost needs a wrench anyway, which kind of defeats the purpose...