article_snippet.sent: Scroll down for video .
article_snippet.sent: Soon enough, Holly and Ace stand up solely on Holly and Ace hind legs - and hold the pose for several seconds.
article_snippet.sent: Dai Aoki's's Instagram page and YouTube pages feature multiple videos of Ace and Holly doing tricks.
article_snippet.sent: Neat trick: The trio are seen performing The trio stunt together .
article_snippet.sent: Holly and Ace finish the trick by standing on Holly and Ace hind legs .
article_snippet.sent: Instagram page and YouTube pages feature multiple videos of Ace and Holly performing tricks .