New Year's Southern Style: The Greens - Alton Brown

Ingredients

• 4 bunches collard greens (1 1/2 pounds each)
• 2 teaspoons kosher salt
• 2 teaspoons red pepper flakes, plus more for seasoning
• 1/4 cup vegetable oil
• 1/4 cup red wine vinegar
• 1 pound smoked ham hock
• hot pepper vinegar, for serving