Creative Commons Attribution 4.0 International License
http://creativecommons.org/licenses/by/4.0

Attribution text:
- The Hey5 hand has been developed by PAL Robotics S.L., with contributions from QBrobotics srl.

- The Hey5 hand is a derivative of the "Pisa/IIT SoftHand" open source project by
  M. G. Catalano, G. Grioli, E. Farnioli, A. Serio, C. Piazza and A. Bicchi

- The "Pisa/IIT SoftHand" project is  distributed under Creative Commons Attribution 4.0 International License
  and is available at  NaturalMachineMotionInitiative.com.