Creating Reinforced Shirt Buttonholes on Classic Mechanical Sewing Machines Shirts require strong, neat, and reliable buttonholes that can withstand repeated use, and in this tutorial, we explore how to achieve that using classic mechanical sewing machines. We begin with fabric preparation, emphasizing the importance of well-placed interfacing to maintain stability around the placket. You will learn how to measure and mark your buttonhole layout so every closure aligns evenly, especially importa