How to make a vein bookmark?

The method of making leaf bookmarks is shown in the following figure:

1. Prepare some fresh leaves that have just been picked.

2. Prepare a packet of edible alkali.

3. Put the leaves in the boiler.

4. Sprinkle edible alkali on the surface of leaves.

5. Cover the leaves with water and cover the lid, first boil with high fire, and then cook slowly.

6. After the water in the pot turns dark, open the lid.

7. Take out the leaves and brush them repeatedly with a soft brush. The intensity should be light.

8. Brush out the veins and dry them.

9. After drying, the bookmark of the leaves is ready.

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Baidu Encyclopedia-Method for Making Vein Bookmarks