When the anchor lands on the bottom, it generally falls over with the arms parallel to the seabed. As a strain comes onto the rope, the stock digs into the bottom, canting the anchor until one of the flukes catches and digs into the bottom.
Admiralty Pattern Anchor – in spite of its name, this anchor is much older than the Admiralty itself and was long considered by seaman to afford the greatest holding pull, i.e. 3 to 3.5 times its own weight.
