Calligraphy inside glass bottle - GIF

Calligraphy inside glass bottle.

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Previously:

https://www.homemadetools.net/forum/...927#post156677
https://www.homemadetools.net/forum/...617#post123373
https://www.homemadetools.net/forum/...068#post195233
https://www.homemadetools.net/forum/...115#post191562
https://www.homemadetools.net/forum/...481#post158630

I have enough trouble legibly writing the English alphabet on the outside of something I cannot even imagine the difficulty of writing any of the Asian language script from the inside of a bottle.

Wouldn't it be a whole lot easier to just place a note in the bottle . . . . . . .