Hello there! I'm learning Sungha Jung's arrangement of Sweet Child O'Mine, and I'm kind of stuck. There's a part in the song where he plays the body of his guitar with his right hand for a percussion effect while hitting the strings with his left. The rhythm for the left hand is easy enough, but I can't figure out for the life of me how he's doing the right hand (e.g., on what counts is he hitting the guitar, and with which parts of his hand). I've tried slowing the video down, but it's just one of those things where I figure it'd be wiser to ask those who have a better ear for rhythm than I do.

Thank you!

Here's the link to the video (starts at 2:08)