Here's a riff to help you with your palm uting at speed.
You can use any open tuning for this.
Play it at speed and it will sound great, as well as help you along with your speed playing.
ENJOY!

1|------------------------------------------------------
2|------------------------------------------------------
3|--------------------------------------4---------------
4|-----------------4--------------------4---------------
5|-2---2---2---2---4----2---2---2---2---2---------------
6|-00000000000000002----0000000000000000----------------
pm ................     ................

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