Being able to pull an excellent shot once is awesome, but how can you make sure you're able to consistently do so? In addition to coffee freshness, water temperature, grind and tamp pressure, the actual dose volume you put into the portafilter also plays a big part in pulling similar shot after shot after shot. While at the SCAA this year, we took a class on dosing and Gail shows us some tips she picked up from the pros.