(A similar device to the sea anchor is the much smaller drogue, which is streamed from a vessel's stern in strong winds so as to slow the boat to prevent pitchpoling or broaching in an overtaking sea). The fundamental difference between the Sea Anchor or Para Anchor and the drogue is that the drogue will slow the boat and is designed to be launched from the stern. The para anchor is designed to be launched from the bow and stop the boat's progress in an open sea.