"Spank It" from Greg Koch "Strats Got Your Tongue" https://www.gregkoch.com/store/p2/Strats_Got_Your_Tongue_.html
"Guitar Gristle" DVD https://www.gregkoch.com/store/p14/Greg_Koch_Guitar_Gristle_DVD.html
Greg Koch Play along Book/Audio https://www.gregkoch.com/store/p21/Greg_Koch_Guitar_Play-Along_with_CD.html
Videos at Guitar Instructor.com https://www.guitarinstructor.com/product/viewinstructor.action?biographyid=3
#gregkoch #spankit #gristle