If you had walked the shoreline of the Vineyard between roughly 1870 and the middle 1930s — especially the muscular, rocky north shore from Lambert’s Cove west to Gay Head — you would have seen something there’s absolutely no sign of today: row after row of wooden stakes stretching up to 100 feet outward from the beach into Vineyard and Nantucket Sounds.

Read more about the lost practice of trap fishing and the story of the video.