The Mountain, an American-based T-shirt brand, has drawn the attention of the media in the United States due to its achievement of 3D T-shirt effects. Just before the Qingming Festival holiday, the law firm HSP, which represents the The Mountain brand, officially initiated a case with the case number 22-cv-1676. Some sellers' account funds have already been frozen. It is hereby reminded that all sellers should promptly conduct inspections and take their products off the shelves.