How to Glitch MEWTWO Pokemon Yellow 3DS

How to glitch MEWTWO : Raise pokemon till it has special value of 131 Triggers Mew Glitch with long range trainer I use the one near Lavender town Fly to cinnabar island and find DITTO Switch Pokémon and let DITTO transform to your pokemon with special value 131, than run away or beat DITTO. Use escape rope or dig and go back to lavender town, than continue to area where the long range trainer that you use to trigger the glitch