Bah, forget that! lol, I think I remember...
Find a Chocobo that's at a level that's a multiple of 4 (using Sense), feed him three Mimett greens, then hit him with Lvl 4 suicide. He'll counter with chocobuckle. SLAM-BATA-BAM!
What items can be found in the back room of the Cosmo Canyon General Store?