How to check the quality of sewing?

　　Previously the average consumer will see, you can turn trousers look, lock edge, stitching quality is relatively easy to see it. In the zipper, all kinds of lines are more, can be seen sewing is exquisite, but also pay attention to check the quality of line play dates. There is a simple way to see how the quality of sewing light to see inside waist pants trademark mark the location of the car is good on it. Because Mark is usually small, the car line is a test of the lathe, a small thing but it is not easy to vehicles. When talking about the sewing quality can not forget that the quality of sewing thread, usually low-end goods are also very poor line quality, a pull on the break.
From: http://jeansformen.livejournal.com/