'A way of marching in close file in which each marcher's leg moves with that of the person in front of him'
lockstep
LOCK & KEY: A way of marching in close file in which each marchers leg moves with that of the person in front of him
A way of marching in close file in which each marcher's leg moves with that of the person in front of him
A way of marching in close file in which each marcher's leg moves with that of the person in front of him
"LOCK" & "KEY"
lockstep
"LOCK" & "KEY"