The M3 Mighty Mini Metal Sewing Clips are the perfect solution for bag makers, leatherworkers, and crafters who need a durable alternative to plastic clips. Made entirely of metal, these mini sewing clips provide a firm, reliable grip on thick materials like vinyl, leather, and heavy fabric without snapping under pressure. Designed specifically for handbag makers and heavy-duty sewing projects, they offer the strength needed to keep multiple layers secure while remaining compact and easy to maneuver. A common concern with metal clips is whether they leave marks on leather or vinyl. In most cases, these metal sewing clips perform just like plastic ones and do not leave any noticeable impressions. However, the outcome depends on the material, how long the clip remains in place, and how it is removed. For best results, avoid ripping the clip off while sewing and instead open it normally to prevent unnecessary pressure. The grip strength is only slightly stronger than plastic clips, making them a safe and effective choice for most projects. Unlike pins, these mini metal clips won't puncture or damage delicate materials, making them ideal for precise, high-end sewing. Whether you're crafting handbags, wallets, or other heavy-duty projects, the M3 Mighty Mini Metal Sewing Clips provide the security and ease you need. Small but mighty, they prove that a small clip can make a big difference.