There is probably already a standing tack line in place , so the halyard is hauled until the tack line is taut .
There is no need to tighten up the leech severely to avoid scallops as in trimming the triangular sails .
There is probably already a standing tack line in place , so the halyard is hauled until the tack line is taut , although there is no need to tighten up the leech severely to avoid scallops as in trimming the triangular sails .