1) Decorative edging 
To bind by stapling sheets together where they fold at the spine.
A simple way of assembling a small booklet or magazine with a wire stitch through the fold. You may call it stapling but printers call it stitching.
A binding process in which a pamphlet or booklet is stapled through the middle fold of its sheets using metal wires.
[n] - a decorative overcast or running stitch, especially in a contrasting color
Saddle Stitch refers to a finishing process, where the sheets of paper are folded and secured by applying staples along the fold to produce a book format.
noun a decorative overcast or running stitch, especially in a contrasting color