Their paper is titled “Examing the bending stiffness of generalized Kresling modules for robotic manipulation.” In this paper, they took inspirations from how octopus controlled its flexible arms and constructed a robotic arm by assembling Kresling origami modules together. These origami modules have two different stable states. They can behave like a flexible joint with low bending stiffness or like a stiff link with high stiffness, without requiring any continuous power supply. In this way, the robotic arm can exhibit pseudo-linkage kinematics with lower control requirements and improved motion accuracy. Their work might open a new way to configure and control soft robotic arms effectively for future manufacturing, bio-medical operation, and search-rescue missions.