Manga depiction
This was first seen when Tohno was about to use this move until his teammate Kimijima Ikuto intervened and simply lobbed the ball to over come Perfect Fortress by Marui Bunta so we were unable to see the technique. Tohno then gets the opportunity to use it but it is returned by Marui using his Wonder Castle.
Cultural References[]
An iron maiden (German origins) is a presumed, though likely fictional, torture device, consisting of an iron cabinet with a hinged front and spike-covered interior, sufficiently tall enough to enclose a human being.