Elastic cord
Thin elastic (hat elastic) used to create a flexible loop closure for the back collar stand.
Where it is used
Attaching Elastic Loop
p. 9- Stitch the ends of the elastic cord (hat elastic) to form a loop, placing it on the right side against the left edge of the outer stand according to the markings on the outer stand. The length of the loop depends on the diameter of the button.

Related terms
compatible withButtons