SLO Coast Wines' Roll Out the Barrels Celebration Is Back -- Refreshed and Reinvented for 2021 The longtime regional wine experience returns after a Covid hiatus, offering its first-ever auction of rare bottles and a series of new, exclusive experiences at the wineries. May 25, 2021 The SLO Coast Wine Collective’s annual Roll Out The Barrels celebration, which has drawn thousands of wine lovers to San Luis Obispo’s wine country since 1990, returns this year with an all-new format: A series of exclusive events held at member wineries throughout the Central Coast, and for the first time, an auction of rare bottles curated by the winemakers.