Overall Rating: 4.9 (of 5)
Now it's time to loosen up the thumb. Or, even better, play this with a pick to sharpen your alternate-picking technique.
Keep repeating the following; start slowly and then gradually increase the tempo. See how fast you can play this two-string riff while still striking each note clearly.
Once you're comfortable with this, it's time to move around on the strings a little more.