This helps to keep the fish s head on the surface, which keeps it from diving. By keeping the boat moving, it makes gaffing or releasing a fish much safer by virtue of providing a more steady deck on which to work. If releasing a fish, moving ahead slowly begins to aerate the fish s gills and restore its strength. About the only time it s necessary to take a boat out of gear is when gaffing or releasing a very large fish. Hand waving toward stern back down.
Hand waving forward go ahead.
Hand waving to the side swing the stern in that direction.