The ability to play the guitar with speed and accuracy is both useful and incredibly fun. But figuring out how to actually do it can be challenging.
For guitarists who are looking to play metal or rock music, this is especially the case. A steady and strong picking hand is a must for achieving that punchy sound.
I am going to give you an exercise that you can use to build a powerful picking hand. I will show you how to apply these exercises using a riff played by James Hetfield from Metallica. It will only take a few minutes to watch this video and start improving this aspect of your playing: