We made a king's cushion to carry our tired friend home.
king's cushion
idiomA four-handed seat made by two people crossing their hands and holding their own wrist with one hand, and holdin the wrist of the other person with the other hand
The children formed a king's cushion with their hands to help their injured classmate reach the nurse's office.
Lacking a stretcher, the two rescuers locked their hands to form a king's cushion, carefully lifting the exhausted hiker to safety.