Double Connection Knot（双连结）

1.  One cord with two-way, the up one is green cord, the down one is red cord;

2.  Using the red cord make an anticlockwise circle, which named #1 circle;

3.  Using the green cord wrap the #1 circle, than make an anticlockwise circle, which named #2 circle;

4. Using the green cord through the #1 circle and #2 circle( the small hole which marked as white spot)

5.  Using the red cord through the #1 circle;

6.  According the arrow, tight the cord and adjust it, then done.