Sports shoe 1, wherein the drive gear rotates by {HEAD ~ 180°} between the end positions of the actuator drive to effect {TAIL ~ a locking and releasing action} 
to effect
Sports shoe 1 , wherein the drive gear rotates by { HEAD ~ 180 ° } between the end positions of the actuator drive to effect { TAIL ~ a locking and releasing action }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL