You need the water to be overflowing.
In Shoal Cave
This room is like the polished floor in the trick house, you have to figure the pattern/path on the ice, that's how.
North of Mossdeep City! Cha Cha!
You have to wait for high tide.
go to shoal cave above mosdeep city
It's TM07 and can me found in Shoal Cave.
Go pass Mossdeep city surf to a cave where two girls are and there you are at Shoal cave hope this helped :]
sorry but you cant .........but i wish we could BY:GAVIN/ POKEMON FAN
Shoal Cave.
Hmm... do you mean Shell Bell? If so the effects of it are: Whenever the Pokemon holding it deals damage, it restores 1/8th of the damage dealt as HP. You can obtain it by giving the old man in shoal cave 4 Shoal Salts and 4 Shoal Shells.
u find it in shoal cave in the ice area at low tide
your internal battery must not be dead. then it is based on time