The item finder is given to you by Professor Oak on you adventures. You can meet up with Professor Oak on route 11.
go on bag then keyitems then click on item finder
you cant
in a cave
your rival gives it to you
yes,
With his item finder
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.
use an item finder when in venturf town go to the cave then left to an entrance there's a guy looking for a glasses and use item finder to search fo it
nope
You have to use it anywhere and it helps u find items.
dawn gives it to you after you pass cycling road
There is not an "item finder" in Ocarina of Time