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Conclusion

1. Powerful Motor A heavy-duty sewing machine should have a powerful motor that can handle thick materials with ease. Look for machines that offer at least 1.0 amp motors, as they provide the necessary strength to penetrate tough fabrics like leather.

One of the primary advantages of using a 5% thread overlock machine is its ability to create durable seams. The overlocking stitch encases the raw edges of the fabric, thus preventing fraying. This is particularly important for those working with stretch fabrics, as a standard sewing machine may not provide the same level of support and flexibility.