If maximizing sleep is in, why don't we just submit to the fact that many of us are essentially sleep-training ourselves?
baby bottle Adult
This tutorial was made for Nuk style orthodontic nipples but the method will work for any latex nipple not sure about silicone, haven't tested it but let me know if you do and it works! You try to cut the hole in the nipple a bit bigger but the knife just won't go through. Barnet says. I would neve have thought of mixing chocolate milk and beer! For fast flow, poke holes in both the front and the top of the nipple.
Bottle brush or cloth. Quickly poke the pin through the nipple before it has enough time to cool off.