Here in this video Luke shows you how simple it is to install a flow control device into your coffee machine so a barista can pressure profile espresso extractions. The device Luke is installing is a flow control unit from Quick Mill and he's installing it into a Quick Mill Rubino Plus home espresso machine. If you have an E61 group style espresso machine the process for this installation will be much the same no matter the brand. In fact the Quick Mill E61 flow control device can work on many o