Marth counter glitch

This glitch is in smash bros for 3ds and wii u with marths counter

Characters performable with

 * Marth
 * anyone else

How to do

 * 1) have marth grab onto a ledge
 * 2) have someone else grab on
 * 3) as soon as marth falls off use his counter
 * 4) you should shoot off the stage and die