John Petrucci Unique Shred Runs

John Petrucci is a beast on guitar. He is also one of the few super shredders who can ACTUALLY TEACH.

In a Guitar World lesson, John shows two "shred runs" that look like the opposite of how it sounds.

What the heck does that mean?

It means the notes ascend when his hand descends. 

....what?!

​Just watch: