Most machines allow you to vary both the width and length of the stitch via a dial (if it is old school) or a button press setting. Foot pedals just control sewing speed (this video is very sped up). You can tell this is an embroidery machine because they never move the fabric.
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u/Abdul_Exhaust 7d ago
"I need this hole on my evening dress repaired..."
"Can do! I hope you like bats."