You cannot. They do not exist. The person will never have them.
you can buy rage candy bars in Pokemon HG and SS at the man blocking the way to blackthorn city. HOPE THIS HELPS :)
Distact the man selling the candybars
what are rage bars?
Go to driftvell town and trade minccino for basculin. The basculin you get will be holding it.
They are supposed to be in the Veilstone Department Store, but, if you talk to the man around the bottom right hand corner, he says that he bought all the rage candy bars. Then, if you talk to the lady behind the counter closest to the elevator, she says she is all sold out. Therefore, rage candy bars do not exist.
Mahogany City, until you catch or faint the red gyrados in the lake of rage.
You can't..
You have to defeat the gym leader in that town.
Any of your pokemon.
It is at he way to blackthorn city
You can give it to a man in Kanto for a TM.
you give it to a guy underground in kanto.