This is a great exercise, David. Well done!
Wow,amazing lesson David,cool backing as well.
Good and useful exercise David !
Cool exercises David,cheers!
very cool picking
Remind me of Slipknot doing this on youtube. Good exercise
great exercise david
Excellent exercises David!
Great exercises David, good job man
Nice excercise Gonna start doing it for part of my warmup
Clean precise and accurate, great exercise
Great exercises David