429 Too Many Requests Sleight of Hand Cellars is a small, family owned winery located in the majestic Walla Walla Valley that focuses on making elegant, thought provoking wines that represent the finest vineyards in Wa Sleight of Hand Cellars is a small, family owned winery located in the majestic Walla Walla Valley that focuses on making elegant, thought provoking wines that represent the finest vineyards in Washington State and the Walla Walla Valley.