How to grow your back. Guy makes a skit about people asking him how he grew his back and he says that its 2 things, 1 is lat pullovers then he demonstrates how it is done but he moans and make a weird sound making the guy near him angry and feel awkward, 2 is weighted pullups, then he again demonstrated how it is done and also makes weird sounds and another guy near him was surprised with the sound he is making