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Also known as SYYG, the Super Yoyo Glitch is a new Ness technique discovered by KnightDamian has thus far only been done by accident and very little about it is known. Its effects (including but not limited to infinite Jackets and instant KO throws) are similar to those of the Yoyo Glitch, but are more lethal and have longer lasting effects.
This technique holds much value to Ness players and is said to be the secret to beating the Bowser Challenge.