I have never been a "speed" sewer, but my sister is !! The first time we ever got together for a long weekend sew-a-thon, my head popped up in SHOCK when I heard her machine going.....on applique mind you,......no wonder her stitching was a mess...She could never understand why hers didn't look like mine. I had to find a really nice way to let her know how much it would improve if she would just slooooowwwww down. She's doing better now but occasionally she needs a gentle reminder.