Squirrels A Mission Impossible !

Many years ago my father tried and failed to feed birds but not squirrels. His attempts were pretty clever (he was a designer) but he always fell short and the tree-rats feed on his nuts. When he passed away I had a go, like a you see here, apart from dizzy, sick squirrels starts at phase ten (yes 10) and after 3 months of trying I resorted to a 7-iron and a personal yes the squirrels at my nuts!