What is a Double Needle Long Arm Sewing Machine?
1. Strength and Security Lock stitches are strong and secure, making them ideal for seams that need to withstand tension, such as those found in denim jeans or heavy-duty outdoor gear.
what is lock stitch machine

Benefits of Using a Single Needle Edge Cutter Machine
- Leatherwork For leather goods, a lock stitch offers the strength needed to withstand wear while maintaining aesthetic appeal.