What is a kind of shot formerly used at sea for tearing sails and rigging. It consisted of bolts, nails, and other pieces of iron fastened together or inclosed in a canister called?

langrage — A kind of shot formerly used at sea for tearing sails and rigging. It consisted of bolts, nails, and other pieces of iron fastened together or inclosed in a canister. (Webster's 1913.)

Sources