Diversity in the design and choices: Accepting designs of various prints or logos on watch straps and hand wreath; Providing monochrome, two-color, or multi-color watch straps; Adding perfume into materials to make watch straps fragrant; Offering various forms of surface finishing on watch straps, such as stitching, adding accessories, silk prints, and oil to the exterior, etc. Tensile technique parameter: The lug connection part of a pinless watch strap has the lowest tensile strength of at least 8 kg. To meet the customer's higher demands, there are other high tensile strength rubber materials or another way by which embedding pin into the lug connection to increase the tensile strength.