Crossword clues for Buckle up! It's the ___ 3 lettersAnswerClueCSALetters on some Civil War bucklesPSABuckle Up, Dummies ad, e.g.LAWBuckle up! It's the ___CSALetters on some collectible belt bucklesCSACivil War belt-buckle lettersHENOne, Two, Buckle My Shoe birdSAGBuckleSAGBuckle under pressureCSALetters on some Civil War belt bucklesCSALetters on some "Antiques Roadshow" bucklesONE___, Two, Buckle My Shoe: ChristieCSALetters seen on "Antiques Roadshow" bucklesTWONumber rhymed with "buckle my shoe"ONE___, two, buckle my . . .PSABuckle up spot, e.g.: Abbr.BUCKLEConcentrate, with "down"BUCKLESBelt partsBUCKLEBend under pressureBUCKLESnap in the carBUCKLECollapseBUCKLETruman: "The ___ stops here. So, er, if any American is having trouble fastening their belt, it's my responsibility."BUCKLESeat belt featureBUCKLEBelt featureBUCKLESBelt tightenersBUCKLEClasp.BUCKLEDCrumpled up.BUCKLEOrnate part of a belt, perhapsBUCKLEWord that can mean "join together" or "fall apart"CLASPBuckleBELTBuckle siteCARSEATBaby gets buckled up in itYIELDBuckle underSNAPBuckle alternativeERROLActor Flynn famous for swashing and/or bucklingKNEESGood pitchers sometimes buckle themCAVEBuckleCAVEDBuckledHELDDidn't buckleBELTSBuckle bearersGAVEBuckledSTRAPSSpots for bucklesONETWO___, buckle my shoe ...TULSAOne of several cities called "The Buckle of the Bible Belt"FASTENSUses a buckleGIVEBuckleSHOE. . . buckle my __SAFETYBuckle up for __GOATA buckling or doeling is a young oneWARPBuckle, as a boardFASTENEDBuckled or clamped