How to tie a knot in the mouth of a plastic bag how to tie a knot in a plastic bag

1, first of all, the plastic bag will be spread out, organize flat, and then folded from the side, and then folded. Roll up the plastic bag from the bottom (roll the process as much as possible to press the air out), one of the plastic bag handle in the opposite direction around the plastic bag, and then the two handle to tie a knot on it.

2, the mouth of the plastic bag will be tightened around a circle, from the bottom through up, so that the knot is not easy to loosen, if it is filled with water, it does not show, but this knot method, the first thing inside the bag can not be loaded too full, you can not use this method of knotting.