Stoumen farms in Mendocino, presses with native yeasts, bottles small lots of grapes most California producers won’t touch (Mission, Negroamaro, Zibibbo, Carignan). The membership is the only way to get the rarest single-vineyard bottlings; everything is allocation-only. Tier choice is two or four bottles per quarterly release. The kind of wine subscription where you can’t predict what shows up — which is the entire point.