1.5hrs=two buttonholes

I hadn't even realized that you could use a sewing machine to sew buttonholes. You sew the edges first and then cut the buttonhole open. A fascinating process (I'm not joking!), and it took me a few trial runs until I settled for this result:

this is where the drawstring for my skirt will go in;
the puckering is due to the lightweight cotton and not my poor skills, of course...