Making fat balls more appealingly

[The Family Cyclist]

Right no juvenile sniggering please

I have a big box of fat balls, not ones with seed or anything exciting added and the birds just don't touch them. Previous ones I have had from different suppliers have gone at a rate of maybe 4 a day but these just sit till I chuck them and clean the feeder

The bird seed next to it needs refilling daily

Bird wise we basically get sparrows, pigeons on the floor and a Robin. Occasionally a acrobatic jackdaw will go on the feeder

I don't want to chuck the fat balls so any suggestions how can make them more interesting. I do have a dog so need to be aware of anything falling out and then being eaten by the hound.

[Lightning Phil]

Aren’t fat balls more of a winter food and simply not appealing in this summer warmth?

[Mrs Pingu]

Maybe this batch of fat balls don't smell or taste very nice?

[offcumden]

If your picky birds refuse to peck, might the fat balls be re-purposed as fire-lighters?

[rafletcher]

It happens. We used to get the flat bricks of fat from the farm shop. Went like hot cakes but were pricy. Cheaper ones bought online just moulder. Bin them and get some different ones.