There are two kinds of hanging flowers, one is hard hanging, that is, sitting on both ends of mahjong with hard objects such as nails or blades and marking the corresponding points.

1 2 3

4 5 6

7 8 9

Mark it like this.

The second kind is soft hanging, playing mahjong is of no practical use, this is just to remember a few big names. Suitable for pushing packages, cards less games.