How To Catch Shiny Pokemon Guarantee On Emerald Is There An Easier Way To Catch Shiny Pokemon W/o Cheats? {R/S/E}?

Is there an easier way to catch shiny Pokemon w/o cheats? {R/S/E}? - how to catch shiny pokemon guarantee on emerald

I want to catch a shiny pokemon without pitfalls. Is there an easier way to follow in order to do that instead of walking to visit time for friendship?