開ひらき癖ぐせMeaningsNoun1. warp (on the page or cover of a book, making it splay open)Kanji used開open癖habitComposed of開ひらきopening; gap; dried and opened fish; extensionNoun癖くせhabit (usu. a bad one); tendency; peculiarity; idiosyncrasy; mannerism; quirk; crease; wrinkle; curl; kinkNoun