A genuine leather smartphone shoulder that can be attached to a smartphone case and worn diagonally. It is easy to use in the office scene, and it comes in all three dark colors. The point is that it is decorated with a sparkling bijou. The slender strap, which is fashionable and functional, uses an attachment with a load capacity of 15 kg. The high level of safety is also attractive. In order not to interfere with the movement of the body when wearing, we are particular about materials that are highly flexible and feel good on the skin. Not only does it free your hands when doing housework or commuting, but it also helps prevent your smartphone from being lost or dropped. If you use the included attachment, you can also attach it to a commercially available smartphone case (*). (* It can only be used in a smartphone case with a charging hole.) The top and bottom widths must be +1mm in connector thickness. It cannot be used in cases made of inflexible materials or in cases with special designs.)