Pettis telling Jojo to switch grips on the kimura was a massive coaching mistake.
One, it was never a kimura or a kimura attempt in the first place. She underhooks in from on top, then locked hands.
Two, switching grips on the fly (especially with gloves on) almost never works. As soon as Jojo tried to switch her grip (very coachable!), she lost leverage on the arm, which allowed Kagan to turn.
As soon as I heard Pettis telling her to switch her grips, I started thinking to myself, "WTF are you saying?!?"
There a dozen things you can do from there (half of them sorta prevented by the fence) but she should NEVER have tried to switch her grips there. Pettis thinking it was a kimura gone wrong instead of a grip of circumstance (not a bad one, too) tells me a little bit about how young of a coach he is.