The double connection knots are a kind of bracelet end knots. It can be used for the beginning or the end of any decorative knot as it does not loosen easily. In Chinese, this knot is also referred to Shuanglian Knot.
Prepare two cords.
Make a clockwise loop with the below red cord and around the above red cord.
Pass the working left cord end through the loop from the back (as shown in the picture).
Repeat the same processes. Take the above cord make a loop and around the below cord.
Pull the ends of cord slightly. You can see they are of opposite directions.
Done! You can see the knots overlap each other and form a cross each side.
Practical use: This is a bracelet made with double connection knot, which a strong closure in bracelets. If you want to know how to make the beautiful bracelet, click following link fore more details.