its in migginiggins garage outside portrush
at olivine city
in golden rod city
near lavender town's route
you will find it in a house somewhere
explore a bridge in kanto
In the golden rod tunnel
It is in golden rod city
Fishing in Vermillion with a Super Rod.
the fishing guru gives it to you in olivine city
you do ecruteack city
if I remember right its in a house in Olivine City
in golden rod city!