Pedals are L/R specific so you can’t put them on the wrong side. If this has happened on the NDS you could find a secondhand arm and pedal cheap?
Some of my previous customers would beg to differ. I've seen pedals forcefully threaded on the wrong way more than once.
@tallsam started
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Pedals are L/R specific so you can’t put them on the wrong side. If this has happened on the NDS you could find a secondhand arm and pedal cheap?