Handedness requires practice. When you were a kid, you didn’t cut things with precision right off the bat. It took time. It would take time to learn with your other hand even though you’re older now. I taught myself to write with my non dominant hand. Took years of practice to get the penmanship good, just like it took years the first time. I can play guitar. If I decided to learn to play with the other hand, it’s going back to day one. My brain knows how to play, but my hands need to be trained from the beginning. If you use scissors with your non dominant hand often enough, you will develop the skill to do it.
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