you have to get slobro to throw it of during a harsh battle!
The only way to get Cloyster is to evolve Shellder.
pokewalker or masterball
Many people find factor trees to be the easiest.
bob
You use a good rod in vermillion city, and you have a good chance of finding it. This is the easiest way to get shellder in yellow. And just in case you were wondering, you evolve shellder into cloyster with a water stone.
In Pokeman
in route 201
The easiest way to find a wedding blog is to check the advertisements which occur alongside the websites and click on it and you will be redirected to the blog.
Shellder is a fairly common water type Pokémon. It can be found on the Seafoam Islands as well as route 6.
List them.
Unfortunately, opening up as much wall as necessary is easiest way to find leak.
The easiest and cheapest way would be on a map