I know, I know the first thing I'll hear is "practice, practice, practice" but I'm not sure it'll help to continue practicing something the wrong way.

I keep having a probelm with my ring finger muting the next highest string.

I'm practicing movable D chord shapes and when I reach pattern 3 that is like an inverted barre chord on the A string, my ring finger mutes the D string and I can't find a way around it.

Any help, please?
Maybe what you need to work on is finger flexibility. Take your time with it and just place one finger down at a time. Once your fingers get used to the position you'll be able to switch to the chord during a song without accidentally muting
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