Jizai Arms was designed to enable social interaction between multiple Jizai Arms wearers such as an exchange of arms. Jizai Arms is a supernumerary robotic limb system consisting of a wearable base unit with detachable robotic arms. The system has been designed to enable social interaction between multiple wearers, such as exchanging arms, and to explore possible interactions between digital cyborgs in a cyborg society.

For the Inami JIZAI body project, we aim to establish a technological foundation for building a "freeing body" that can adapt to the super smart society. Technology development that is positioned as "freeing" is thought to support human beings acting with robots and AIs "unity with human beings" while maintaining sense of self-awareness, and widening the possibility of human actions significantly. In order to realize the JIZAI body concept, we use assistive robotics, wearable computing, brain information decoding, machine learning, virtual reality, etc. We will establish the design guidelines and elucidation of the fundamental knowledge on "body editing”. Furthermore, we will examine the the mind and society changes on the JIZAI body in real and virtual societies.