>>6030761>>6030812>Looks like she has a single long arm, that runs through her torso and is probably some sort of soft rubber, with harder plastic at the ends, to not only accommodate regular minifig hands, but to also stop the arm from just sliding all the way through and coming out.That was my first thought as well, but TLG hasn't made torsos that you can fit a bar through in 30 years - did they really mold a new style of torso for that set?
Semi-unrelated, but if someone has the Ultimate Axl, I'd like to see what his torso looks like from a few angles.