纏絲扣算是一字扣的進階版，實物我只見過兩次，都是在老衣服上見到的。纏絲扣精緻、變化多端、不難做，只要有耐心和眼力就能成功。用來纏扣子的也不過是普通的手縫線，當然質素較好的線纏起來也會較為好看。

The twined version straight-style button is not very common, yet they are extremely fine and delicate. Since it is just made by using sewing thread twines around the button, it is easy to make (just time consuming) and its variations are literally unlimited. The better quality the sewing thread, the better looking the button.