you cant
nope
You can find leftovers where snorlax is. Use the item finder at this spot and you will find the leftovers. You cant use the item finder near it you have to beon top of the spot. It will then say "there is an item under foot" and there it will be.
The item finder in Pokémon FireRed is located in Vermillion city past Diglett's cave. Once past the cave go into the building and up the stairs. You will be given the item finder if you have 30 different Pokémon's.
you go to where mr fugi was standing in the bell tower and use the item finder.
First you need 30 kinds of Pokemon then go down way to diglet cave and you will see some trainers past them on the way is a building go inside and up the stairs and talk to the aide and you get item finder
I don't know how meny there but I do know that you can get 2 in Mt. Moon but 1 is hidden ( you can get it later in the game with the item finder ).
Go to Navel rock,battle Ho-oh and use the item finder on the spot where he was to get sacred ash.
go on bag then keyitems then click on item finder
The item finder is given to you by Professor Oak on you adventures. You can meet up with Professor Oak on route 11.
in a cave
That item does not exist in firered.
find the girl or use the item finder to find berries on the ground