IF YOUR FILLING DEVICE DOESN'T HAVE TO BE OLD TYMEYM WE ARE ALL SURROUNDED BY HUNDREDS OF FUNNELS.I have 6 or 7 horns. None have a fill plug in the base. None are hard to fill thru the spout.
FIND A PLASTIC BOTTLE WITH THEOPENING JUST RIGHT AND CUT OFF THE BOTTOM
FROM GALLON JUGS TO WEE MEDECINE BOTTLES, THEY ARE EVERYWHERE.
DUTCH