Taylor Seville Thread Magic Round Thread Conditioner Taylor Seville Notions make your sewing life easier. Thread Magic Thread Conditioner Round- The ultimate thread conditioner with hypoallergenic formula. Strengthens thread for long life, eliminates static, and prevents tangling and fraying. Does not melt or freeze, and is safe for all threads and fabrics. Produces 400% less thread drag. Use for both machine and hand sewing. Acid free.