Crossword clues for What a key opens:LOCKWhat a key opensOSAYKey openingOHSAYKey opening?PHIKey opener?OSAYKey openerOSAYCANYOUSEEKey opening?NOSALEKey that opens a drawerLOCKEDDOORBarrier needing a key to openMASTERLOCKWhat many keys will openDIARYBook that might require a key to openAFLATKey that opens La ScalaSCHNAPPSKey that opens "the vault" of Elaine's secrets, in the "Seinfeld" episode "The Betrayal"DEATHThe golden key that opens the palace of eternity to MiltonOSAYKey anthem openerESCDidn't mean to open that keyOHSAYKey's opener?ALICIAKeys selected to open the 2013 Super BowlLOCKEDDOORIt's opened with a keyUNLOCKOpen with a keyTINCANSSome are opened with a church keySLOTOpening for a hotel key cardUNCAPOpen with a church keyTILDENWinner of six consecutive US Open tennis titles (or, minus its last letter, key on a QWERTY keyboard)