User blog comment:12th Supernova/Sabo uses Dragon Claw! It's super effective!/@comment-10860731-20140625090125/@comment-1595565-20140625184459

And I can tell you with 100% certainty that Jinbe did not have the barrel with him after dropping Caribou off at G-5. I suppose you could say he went back and got another barrel to put his stuff in, but there are far more convenient methods of carrying one's stuff.