They have several built in stitches, also 5 special fashion discs (cams) came with the machine. I have an extra of the #1 cam - the Arrowhead stitch. I have 6 other extra top hat cams, but those stitches are already built into the 401, so you wouldn't need those.
This is my 'cheat sheet of the built in stitches of the 401 and the stitches that I need cams for (a couple I am still on the look out for.)
cam chart
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