its when you just rap in FRONTLINES, Youll see the battle in there it will say Puertoricanelly vs. ILL Teacher. you clikc on that and go down to the bottom of the page and type in your SPIT then you press post and then thats it. A BLIND SPIT is when we spit and it doesnt matter who goes first you just have like a 30 minute time limit to send in your spit