Well, you may have heard several reasons, but this is my favorite:
To witness what you actually do instead of what you think you should be doing.
We are usually so caught up in trying to match some ideal in our head that we can’t hear what we actually sound like.
Play slowly so you can notice what you notice. Then you can fix things.
Summary
Article Name
Why Practice Guitar Slow?
Description
Why Practice Slow? To witness what you actually do instead of what you think you should be doing. To notice what you notice. Then you can fix things
Author
Bryan Wade