Sewing thread technique on Acoustic guitar I'd never seen before

[kimball492]

Check this video out

http://www.fretboardjournal.com/video/brad-barr-barr-brothers-half-crazy

Has anybody tried this

[Fretworn]

Never seen it before. It's an interesting effect. You almost want to have someone else pulling a loop of thread through the strings and then you'd get a Hurdy Gurdy-esque sound.