Pumping is an essential skill for the trails - it smooths out transitions and helps you maintain speed. Click here to subscribe to GMBN: .\r<br>\r<br>Sam and Matt from Bristol-based skills company Pedal Progression, show you how to master some of the most important MTB skills.\r<br>\r<br> CLICK ABOVE TO GET THE MOST DETAILED HOW TO VIDEOS EVER MADE! SKATEBOARDING MADE SIMPLE!\r<br>\r<br>Pumping is a great way to express and store breast milk. This About.com video shows you how to pump, store, and reheat breast milk. Read more on pumping .