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