Originally Posted by Oldschoolbbq
As you cook, there is a little Atmosphere created in the cooking chamber. This is caused by the heat from your source,which causes pressure(basic Physics),this then heats the meat and the pressure keeps moisture in,that which does come out of the meat , evaporates on the metal of your cooker creating a moist atmosphere.Left alone, the pressures will equal and the moisture in the meat will remain intact.
Also by leaving your lid shut,you get a better Bark and the point will almost fall off the Flat.
Keep doing what you are doing and have fun...
SZtan aka oldschoolbbq
Good thought. thanks for adding to the discussion buddy!