Infinite Assist Trophy glitch

The infinite Assist Trophy glitch is a bug in the early patches of Super Smash Bros. Ultimate. This glitch is performed by Isabelle, where she spawns Assist trophies without any control.

Overview
To perform this glitch, two players must use Isabelle as a fighter. Two players must stand to for the Assist Trophy between them. Two players must peform Isabelle's side special, Fishing Rod at the same time. This glitch cannot be performed on other Assist Trophies such as the Squid Sisters. The player can stop this glitch by attacking the player continuously summoning Assist Trophies.

This glitch was fixed on the Patch 2.0.0.

Trivia

 * The infamous "& Knuckles" meme originating from Sonic & Knuckles and Sonic 3 & Knuckles has been compared with the summoning of Knuckles.