The previous page is sending you to https://www.alamy.com/bookbinding-and-its-auxiliary-branches-rt-the-needleat-the-tail-kettle-stitch-between-the-first-and-second-signa-tures-loop-the-thread-and-tighten-then-insert-the-needlebetween-the-second-and-third-signatures-loop-the-threadand-tighten-ends-until-the-book-is-sewed-repeat-the-sew-ing-of-signatures-and-fasten-the-stitches-on-the-ends-inthe-same-manner-catching-each-section-twice-in-thekettle-stitch-until-the-book-is-sewed-in-joining-threadthe-knot-must-always-be-in-the-signature-as-a-smoothback-is-required-sunken-cords-are-used-on-letterpressbooks-but-they-are-not-as-strong-as-when-image340001134.html.

 If you do not want to visit that page, you can return to the previous page.