Traditional Culture Encyclopedia - Photography and portraiture - Underwear factory What is a coupler ring?

Underwear factory What is a coupler ring?

Bra back buckle car shackle.

The existing hook-and-loop tape structure is usually made by sewing all layers of materials at the edge of the hook-and-loop tape unit with cotton thread. However, sewing the edge position of each layer of material with cotton thread is easy to make the interlayer connection unstable, and it is easy to deform or even fall off after washing or pulling, so there is still room for improvement.

Buckle bra is the most common type of bra. The buckle usually includes a hook unit and a hook unit, which are usually fixed at both ends of the bra. The hook is fixed on the hook unit, and the hook is fixed on the hook unit. Generally, there are three rows of hooks, with a certain distance between each row. The bra girth is mainly adjusted by the cooperation of hooks to adapt to the differences of chest shapes and body shapes of different women.