Breastfeeding
Here is how to increase breast milk. As for lack of lactation, Huh Im recommends applying 7 to 7 x 7 moxa cones at acupuncture point RN17 (??). Needling is contraindicated. Also apply acupuncture at SI1 (??) with tonifying method.
Here are some more articles for moxibustion if you may like to read.