There's a fine line between protecting original works and creating barriers to competition through litigation. Not sure just using a different material and sti

There's a fine line between protecting original works and creating barriers to competition through litigation. Not sure just using a different material and stitching method (that has been widely used for ages) qualifies for protection. It's too general. Now if someone is trying to pass off as the same brand name that is something entirely different but that's trademark not copyright.