The cards themselves may be arranged as independent mechanical actuators, rather tan strain transfer actuators, in which {HEAD ~ the induced strain} changes the position of {TAIL ~ the card} 
The cards themselves may be arranged as independent mechanical actuators , rather tan strain transfer actuators , in which { HEAD ~ the induced strain } changes the position of { TAIL ~ the card }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL