Use the Dowsing Machine at Mt. Mortar.
yes use an action replay or a drowsing machine
No, you need to find it.
go to vielston rock climb the wall and there
You can't buy one but you can find one at Veilstone City
In Veilstone city; theres a wall you rock climb on.use and get the item in the pokeball, which is full incense.
go to veilstone city and use rock climb on a wall and grab the poke'ball and that is the full incense.
That item doesn't exist in leafgreen their is a sea incense and lax incense in the cave.
you can't
No.
in cianwood city
You breed Snorlax with Full Incense attached, or catch it after finding it in a sweet honey three, it is also possible to find it on a pokewalker.
It is in the Lower Cave of Mt. Mortar. You will need Rock Climb to get it.Inside Mt. Mortar