Preheat air fryer to 400°. In a small skillet, heat oil over medium heat; saute garlic with curry powder until tender, 1-2 minutes. Cool slightly., In a bowl, combine egg, pimientos, bread crumbs, parsley, rosemary and garlic mixture. Add sausage; mix lightly but thoroughly., Shape into 1-1/4-in. balls. Place in a single layer on tray in air-fryer basket; cook until lightly browned and cooked through, 7-10 minutes. If desired, serve with pretzels.