The Roadie 2 gives you no excuse for an out of tune guitar
 

I have what has been described as a "really crappy guitar." It's not even mine. It belongs to my friend who, before handing it to me, said, "yeah I let my kid hit this thing with stuff. Also, I've never changed the strings." It seemed like the perfec...

https://www.engadget.com/2017/03/28/...f-tune-guitar/