The harbor grasp notes wind course by using flying flags, jotting angles as masts clink and buoys bob on delicate swells.
https://shaneoniv931.nexorafield.com/posts/old-glory-is-beautiful-the-art-and-meaning-behind-the-design-2
The harbor grasp notes wind course by flying flags, jotting angles as masts clink and buoys bob on comfortable swells.