1. Arrange the ropes of Louis Vuitton barbecue bag, for example, call the left rope A and the right rope B.. Put them in order.

2. First, start winding the B rope from the top of the A rope. Remember that rope B winds rope A.. Don't pull it too tightly, leaving a gap.

3. How many times B rope winds A rope depends on yourself, usually 6 times. The more turns, the shorter the rope is tied.

4. When the winding turns are almost the same, stop, and then pass the B rope through the winding turns. Just tighten it.