1. Biorobotics Lab Soft Robotics Research Center School of Mechanical Engineering/IAMD Institute of Engineering Research Seoul National University Seoul 08826 Republic of Korea
2. Physical Intelligence Department Max Planck Institute for Intelligent Systems Stuttgart 70569 Germany
3. Department of Mechanical Engineering Korea Advanced Institute of Science and Technology Daejeon 34141 Republic of Korea
4. School of Engineering and Applied Sciences and Wyss Institute for Biologically Inspired Engineering Harvard University Cambridge MA 01451 USA