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

The Floating Foot Sewing Machine Revolutionizing the Craft of Sewing
Tips for Choosing the Right Heavy Duty Sewing Machine
The term single needle refers to the fact that this machine operates with one sewing needle, capable of creating straight stitches with unparalleled consistency. This singular focus allows for a cleaner, more preciseline, making it a popular choice for professionals and hobbyists alike who demand high-quality results.