(under subclass 68.1) Device having means intended to cooperate with the sharp end of the element after it enters the hair to either (a) constrain the motion of this end (e.g., prevent its withdrawal from the hair) or (b) shield it from harmful contact with other objects (e.g., the wearer).
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24, Buckles, Buttons, Clasps, etc.,
706.3, for guiding, holding or protecting means for the tip of a pin when both the pin and means are detached from the