1. Daisy waist buckle: there are no nails, you can pull it down directly, it is very convenient and beautiful to use, and it can be adjusted to the waist you want. 2. Waist nail: It is more convenient to use than the waist button above, but it may be because I am all thumbs, so I can't always adjust the waist I want. If I have confidence, I can use this. 3. Lazy belt: Yes, you can buckle it directly, but if you buckle it on the belts on both sides as shown in his picture, there will be many creases on the back of jeans and other clothes, which will not look good.