The yo-yo glitch refers to a glitch in Super Smash Bros. Melee done using Ness's yo-yo. It can be used to attack or grab with near limitless range or attach certain single-hitbox attacks to Ness's body. The discovery of the glitch was a collaborative effort between VilNess, LonelyNess, and Dan Smith, and was spurred on by an innocuous video of an unknown Japanese player accidentally dropping a yo-yo hitbox.
The glitch can be performed in all versions of Melee.
Ness's up smash consists of 3 states each with its own hitbox: outreaching, spinning, and swinging. The yo-yo glitch drops the last hitbox of the up smash onto the ground and leaves it there until Ness gets KO'd or uses a non-projectile attack.
How To Perform
Ness's up smash must first be used and charged up slightly, then hit any opponent or damageable object while in its spinning state before being released. The yo-yo can't hit anything after it is released into its swinging state, although the outcome of the glitch is not affected if it does so while in its outreaching state.
This glitch works with down smash accordingly but requires that said down smash attack be canceled in its ending frames by an attack or effect (such as a Mushroom).
After using the yoyo glitch, certain other attacks can be used to replace the yo-yo hitbox with the hitbox of the attack used. The rules of the regular yo-yo glitch still apply when using a jacket.
If any non-projectile attack other than the ones listed is used to hit all targets between Ness and the location this glitch was performed, the jacket will be transferred to the opponent, allowing for near-limitless range.
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