Grey Stack’s lee is a room the wind has not been invited into.

Brine sits on a ledge that is not a throne. Seals occupy the rest like neighbors who have heard this lesson before. “Our magic,” Brine says, “is keeping the trade uncut.”

The trade is simple when you do not dress it. People do not take skins. Selkies do not cut nets for spite. The Stack stays a haul-out, not a trophy-shop. The kelp stays a nursery, not an emergency pantry you empty because you are scared.

“A coat is a self,” Brine says, and then, because this is Salt-Turn, adds the other true sentence: “A coat is also a seal’s. You may hold both. What you may not hold is the chest-key as if it were kindness.”

Pip asks, almost too quiet, “What do you want us to carry?”

“A message to the Post. Closed tide through the spring-storm. Skin home. No horse-hunt. After the ebb, smaller sets. We will not vanish the fish for a grudge.”

Under the waterline, you imagine a trade you cannot see: river bringing what the hills cooked, sea bringing what the kelp held, fry in the mix. Mutualism, Pell would say, if Pell were allowed to use a school word on a rock.

Brine picks up a shed whisker from the ledge and does not keep it. “Even this goes back. Oil, hide, trophy-stories—those are how haul-outs go quiet. Our old songs said the fish fail if a skin is taken. Your Pell would say the nursery fails if the eaters of the nursery are driven off, and the winter table fails after. Same hinge. Different music.”

A harbor seal watches you with an eye that looks almost-person in the wet. That is how selkie tales get a face, you think. Not a lie. A likeness, stitched.