Crossword clues for It's most useful when cracked 3 lettersAnswerClueEGGIt's most useful when crackedEGGTo use this you'll need to get crackingSAFESThey may be cracked using stethoscopesNUTTREEIts products need to be cracked before useOTTERMarine mammal that uses rocks to crack shellsWHIPIt's most useful when it's crackedEGGSThey're of little use unless they're cracked