This is how you use a Looper :)

sweepy

Fella is a bit of a genius
 

uncledick

A few years ago my niece put out a plea on Facebook:  She'd bought tickets for her daughter and her mate to see Ed Sheeran but got an appointment to take her disabled son for an operation.  The wife & I volunteered to take them and came back mega-impressed with his looping and performance skills.  He used his beat-up Martin, a PRS Hollowbody and not much else.