03 May Knob Hall Winery Posted at 12:30h in Radio Shows, Sipping Point Radio Show, Uncategorized, Wine Tips by thewinecoach 0 Likes Listen to Laurie talk with Richard and Mary Beth Seibert the owners of Knob Hall Winery in Clear Spring, Maryland. Learn how they got started, about their wine making philosophy and their award-winning wines. Tags: podcast, The Sipping Point