Metal flags signal the cows with clinical mastitis in this double-60 parlor. During fore-stripping, if a milker notices a cow with clotting or flaking, he pulls the flag down above her stall. Then, just before the cows are released from the rapid-exit parlor, a member of the milking crew re-checks the cow. If she continues to show signs of clinical mastitis, she is leg-banded and removed from the main herd. It should be noted, however, that not all of these infected cows will show clinical signs at the end of a milking.