User blog comment:PolarKoalaBear/Machvise's Devil Fruit/@comment-73.55.172.3-20141017164151/@comment-26494402-20141017164609

Theres one scene in the manga where he crushes somone against a wall too though. http://img2.wikia.nocookie.net/__cb20140729071716/onepiece/images/d/d3/Machvise_Strikes_Boo.png