yeah im giving my opinion on this thank you for reading my post though we should all know how gear 3rd works too because its giving in the manga and from what its call bone fusion.
Honestly its given he learns how to use his version of soru(gear second) after watching cp9 fight, because he clearly states i saw you kick your leg 10 times and he says im thankful for you guys because now i can move foward protecting my nakama. right before that he said he lost to aokiji and...