Jack Kelly,
The blue feather is the tail end of a cat toy, I borrowed from my wife...I had a fishing hook put through it and hung it in the back of the cage with a swivel. I have noticed any type of visual attractor to peak their curiosity into the cage helps. I made up some of my own fuzzy critters out of cardboard, brown felt, and a stick on eye. I need to make some more those have since been destroyed. They really can tear the inside of a cage up...worth it every time.
Countrybred,
It was just baseline cheapo tuna in oil, we had a few cans around the house, that were in the back of the pantry. My wife prefers tuna in water instead of oil, so no telling how long these have been there. Paid for themselves and then some.