The murderball wheelchair, outfitted with metal wings, pick bars, and spoke guards has been designed to smash and bash as effectively as possible. “Murderball,” or wheelchair rugby, is a violent, aggressive sport played in wheelchairs; a cross between soccer, handball, and American football. In a conversation with Anita Perr, an occupational therapist at the NYU Ability Project, Declan learned about how customization of wheelchairs designed for murderball impacts the athletes who use them.