First off if you use the find at the top of the forum you will find lots of answers and more. I and many others have injected, among many other things. I have never mopped but try it, take notes and see if it works for you. I can't personally help on the chicken but I know it's been done.
http://forum.cookshack.com/eve...661061934#2661061934
Leave the packer together and when the flat is done, take the point off and cook it more, wrap the flat until your ready to eat.