Flexible shield for safety razor

Claim 1

A FLEXIBLY DEFORMABLE SHIELD FOR A SAFETY RAZOR, SAID SHIELD COMPRISING A ONE-PIECE ENVELOPE WHICH NORMALLY HOLDS A SHAPE SUBSTANTIALLY IN ACCORDANCE WITH THE SHAPE OF THE HEAD OF SAID RAZOR AND INCLUDING AN UPPER ELONGATED ARCUATE WALL TERMINATED AT EACH END BY A DEPENDENT WALL AND A BOTTOM WALL, SAID ENVELOPE ENCOMPASSING A VOLUME THAT IS SOMEWHAT LARGER THAN SAID HEAD, SAID ENVELOPE HAVING A SELF-CLOSING LONGITUDINAL SLIT IN SAID BOTTOM WALL TO ACCOMMODATE ENTRY AND REMOVAL OF SAID HEAD WHEN SAID SLIT IS OPENED, SAID BOTTOM WALL FURTHER INCLUDING A PAIR OF ADJACENT COMPLEMENTARY NOTCHES ONE ON EACH SIDE OF SAID SLIT SO THAT AN OPENING IS FORMED TO ACCOMMODATE THE HANDLE OF SAID RAZOR, EACH OF SAID NOTCHES HAVING ITS LARGEST LONGITUDINAL DIMENSION ALONG SAID SLIT, SAID SLIT BEING OPENED BY INWARD PRESSURE APPLIED AT SAID END WALLS SO THAT SAID HEAD OF THE RAZOR CAN BE PLACED AXIALLY WITHIN SAID SHIELD.