ill just leave this here.
how the fuck does he suck in so much?
OP, explain.
Google stomach vacuum
One word, Yoga.
MOTHERFUCKING SKATMAN!!!!!!!!
Those are pretty toned abs there.
>>418028Watch it, pal...
http://www.youtube.com/watch?v=lvxEs39omScAAAHHH
I've seen people do that before, don't have to be muscular. It's fucking weird.
I could do that until grade 10. I forgot it for a while and now I cant do it properly anymore.
>>418069I can do it all the time, major cavity below my ribs, I'm like the guy in the video but not as muscular