Treat like stem tip cuttings. Leaf section cuttings. Snakeplant is grown from leaf-section cuttings. Keep fairly dry. Roots from in about one month.
Young plants form a month or so after that.
If you remove the young plants, more will start. Striped snake plants produce plain green ones because the new plants grow from the center where the leaf is green. Stem section cuttings. Some house plants are grown from stem-section cuttings. Cut the stem into sections so that each has one or more nodes.