something called ditto glitch that is supposed to do something like that but i dont know how
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It is only possible to get Weedle in Pokemon Yellow by either trading it from Pokemon Red or Blue versions, or use the Mew Glitch and battle certain trainers.
For first generation trading you need to pass all of the gyms up to a point. Then a man will come and install the one to the far left then you can trade with Red, Blue and Yellow. Just check into the Pokemon healing building after every gym you defeat.
how to get exp.share in pokemon blue
There are no Running Shoes in Pokemon Blue.
blue