|--------------------------| |--------------------------| |--------------------------| |------------------4-5-6-7-| |----------3-4-5-6---------| |--2-3-4-5-----------------| This is a very good speed building exercise my friend taught me and it really works but to practice It would take probable a week or 2 to master this exercise and when you do try and it up a little or do it in a different position. You can do all kinds of things with it (DON'T FORGET TO USE YOU PINKEY!!)
https://primanota.net/misc-unsigned-bands/speed-building-exercise-na-chords.htm