calibur use with 'exeed canceling'

[THEWITCHER1996]

i have seen this on a video of chasertech ,it's really interesting=)), but i don't know to perform it
he do some thing like double calibur but the second calibur attack still hit and jc

so =)) anyone know how to do this please tell me

 

[DoomSlayer87_Sss]

he is a member on here dude you should pm him