Answer: mantelshelves

AnswerCrossword Clue
mantelshelvesA shelf above a fireplace
mantelshelvesA projecting shelf or ledge of rock
mantelshelvesMANTELSHELF, the ornamental shelf over a fireplace
mantelshelvesA move for climbing on such a ledge from below by pressing down on it with the hands to raise the upper body, enabling a foot or knee to reach the ledge