RATTLING is validvalid

ratline [n RATTLINGS] / RATTLE, to make a quick succession of short, sharp sounds [v]

79,077 of 196,601 in NWL2023·also valid in CSW24

any of the small lines forming the steps of the rigging of ships, also RATLIN, RATLINE, RATLING, RATTLIN, RATTLINE [n -S]