How to tie a Celtic button knot

The Celtic button knot is one of the most vital knots in the paracord crafts. It is in essence a single strand stopper knot.
It is used to close off bracelets and as a decorative knot.

The knot is featured in the ABoK under the number 545.
A photo tutorial is also available here:

Enjoy the video!

Music by Kevin MacLeod and Jey Row.

[davisleemiles]

I did everything just like yours but it looks nothing like it

[Vloggingmich]

Celtics know how to tie a knot that’s for sure

[MrJasonhky]

Your videos might be helpful if you would slow down enough for people to see what's going on and which end of the ropes you are using.

[davisleemiles]

How come my paracord’s not hollow like yours?

[bryantreacher]

This is a 3l X 4b Turks head tied anticlockwise

[DSmith-ee]

Why don't men do these designs with ties? Ties should be art