Tips of using the medela hand pump: 1. Make sure you have the proper size flange! Do not use a flange that’s too big 2. Switch the medela valve for a spectra duckbill valve 3. Make sure the yellow piece on the handle still has the tiny white rubber band. It will almost no suction without it. 4. Push on the front of the handle to use the stimulation mode and the. Switch to the back for expression mode once milk starts to flow! This is an amazing pump but there is definitely a learning curve to using it. Leave any questions below 💛 medelahandpump increasemilksupply breastfeeding