I'm having a hard time fingering A/C# as this sheet suggests: x42220. I've tried:
- barring with the first finger, but it's difficult for me not to touch the high E.
- barring with the first finger and muting the high E with my little finger, which was hard to do reliably.
- using four fingers and stretching my little finger to the fourth fret, which was hard due to the angle of the little finger.
My idea now was to bar all four high strings with and make put my little finger on the fifth fret (A) of the highest string. I haven't seen this voicing anywhere while A/C#, so I was wondering if there's a reason not to play it this way?
Also, do my difficulties with x42220 suggest any problem with my technique that I should be working on?
I'm playing on a steel-stringed acoustic guitar.