Crossword clues for Open to all. 4 lettersAnswerClueOPENSesame openerOPENStill to be decidedOPENStore signOPENWelcoming signOPENFree of obstructionsOPENStart the bettingOPENBeginOPENTournament for pros and amateursOPENTake the stage firstOPENLike a store ready for businessOPENPerform firstOPENDoor-sign wordOPENStill to be filledOPENNot barredOPENReceiving customersOPENMore then ajarOPENUp frontOPENBig golf tournamentOPENAptly named tournamentOPENAvailable, as a jobOPENLike LAX, around the clockOPENBegin serving customersOPENCertain tournamentOPENNot protected by defendersOPENUnanswered, as a questionOPENAdmitting customersOPENObstruction-freeOPENRelatively freeOPENPop the tab onOPENYes, we're __ (store sign)OPENWord with letter and bookOPENIn full bloom, as flowersOPENForthrightOPENHardly shyOPENMake the first betOPENLetting anyone playOPENSpread outOPENWilling to consider new ideasOPENUnlockOPENDevoid of a coverOPENStore window signOPEN__, sesame!OPENNot coveredOPENGo on firstOPENMajor tennis eventOPENStartOPENSet up shopOPENAvailableOPENWilling to listen (to)OPENWelcoming store window sign