From the winning bid of Tom Brown handbag, briefcase and thombrowne handbag, the details of winning the bid were exposed the most and detailed. Generally speaking, the collar label of genuine clothes is sewn at the inner folding point, and the stitches are neat; However, the false needle will have problems such as too wide needle distance and oblique needle. The color of stitching around the collar mark is the same as that of the signature mark, and the font size of fake goods with different colors is different.