How to tie a bracelet with a round buckle at one end and two long ends at the other?

I'm not sure what kind of bracelet you mean. If you can provide more context or pictures, I can better understand your question and give more accurate answers.

However, if you are referring to a bracelet with a ring or button at one end and two threads at the other end, you can tie the knot as follows:

1. Combine the two threads and fold them into a loop.

2. wrap the thread around the ring or button.

3. tighten the coil to make it close to the ring or button.

4. adjust the length of the thread to make it symmetrical and comfortable.

5. If necessary, you can add other ornaments, such as beads or trinkets, to the bracelet to increase its beauty.

if you need more specific guidance, please provide more information or pictures, and I will try my best to help you.