h to the bottom of the box, but now with an orientation perpendicular to that previously used in the formation of lines AB and DC. Withdraw slowly, delicately, yet with sufficient friction at an angle to proceed effectively to the corner at Point B. Withdraw completely and reverse the knife blade, returning it deeply at the midpoint previously entered. Withdraw once more with similar care, and opposite diagonal, completing the slit thus formed entirely to Point C. I am confident the consumer may