Ride-seam signature is to sign in the edge seam of paper when signing, that is to say, in order to ensure the integrity of documents, materials or documents, the whole documents, materials or documents are staggered, as long as they are written horizontally and vertically while pressing seams.

Sewing refers to arranging several lines horizontally on the back of the invoice. You only need to sign the first line, and other lines can copy the signature of the first line to other lines with a sewing machine, thus saving the time for signing.