I FORGET TO POST THIS MORE OFTEN THAN EVERY 5 YEARS I HAVE BEEN USING THIS METHOD FOR MANY YEARS. TEY ARE DOG FEEDERS I GET FROM AMAZION VERY CHEAP AND DIFFERENT SIZES TO FIT YOUR NEEDS BUDDY
do they fill the tray on their own, or do you need to sort of dig them out an fill the trough? I like the idea, just when im really rolling along , i don't want to need to reach in an freeze up in an free up a log jam............................sonny
