i think you have to beat the elite four and red then get the candy there is a person i dont member whare but if you give him the candy he gives you the move exploshin
You have to beat the Team Rocket HQ in Mahogany Town and beat Pryce, the gym leader.
face lugia then he should let you through
well you have to give the ragecandybar to a man in a tunnel near Goldenrod (no more details, sorry!)
After beating the elite four and going to kanto, there will be underground pathways. In one of them a disgruntled man will be angry and you bust out your ragecandybar. You give it to him and he gives you an hm.
Give him the RageCandyBar that you got from the guy in Mahogony Town.
after meeting lance and defeating team rocket and the red gyarados
Give him a RageCandyBar. Sorry, I forgot where to find it, though...
You have to get the first 7gym badges and have a ragecandybar.
you have to catch lugia at whirl islands.
Distact the man selling the candybars
I think you gotta go to the lake of rage or whatever and do something there and get the shiny red gyrados
As far as I know, the RageCandyBar does nothing in particular. However, it allows you to pass through Mahogany Town.