Editing Bookbinding (section)

=== 2nd signature ===

[[File:Bookbinding-02.jpg|thumb|Adding the 2nd signature]]
[[File:Bookbinding-03.jpg|thumb|Threading through loops in the previous signature]]
[[File:Bookbinding-04.jpg|thumb|Tying off the first two signatures]]
* Take the thread to the bottom of the 2nd signature. Push it in, bring it back out a little higher up on the spine, and pass it through the lowest loop in the first signature. 
* Continue for all the loops. 
* Bring the threw out at the top of the 2nd signature.
* Pull all the loops in the signatures tight. 
* Tie off the threads at the top.