Make 4 granny squares. We made 22 rows on each granny, but if you want the blouse larger or smaller, make more or less rows.
Sew the 4 grannys following the red line as we show on the picture and video
Place the yarn in one corner and make 1 single crochet on each stitch to the corner of the granny. Chain 62, turn and make 60 half double crochet. Join with 1 single crochet to finish the suspender. Single crochet to the other corner, repeat the suspender with chain 62 and 60 half double crochet. Repeat the same to have 4 suspenders.