The strap can be freely extended, and it is easy to switch between single shoulder, crossbody, armpit and other carrying methods, adapting to different heights, dressing needs, and does not affect wearing when wearing a thick coat There is no need to buy new bags or new shoulder straps for different scenarios, and it is a cost-effective bag upgrade solution to extend the life cycle of existing bags. The use of multi-layer electroplating alloy, environmentally friendly recycled leather, etc., is wear-resistant, scratch-resistant, anti-corrosion, and can still maintain shine after long-term use, and some widening designs can also reduce shoulder pressure Suitable for most handbags, shoulder bags, motorcycle bags and other styles, the universal buckle design does not need to worry about not matching the bag, and the practicality covers a variety of bag types..syi