We have an Umbrella Cockatoo..aka feathered wood chipper..
I just cut 2x4 pine into squares and triangles, spade bit a hole in the center, in season separate them with pine cones, then hang on a chain (old dog choker collar) with a swivel (old key chain) from different parts of his cage. Wrap the chain in a loop or around the bottom chunk to make a straight hanging toy.
Haven't been told no yet when asking if I could collect pine cones from peoples yards or from the roadside. Most construction sites have lots of free pine cut offs for the asking, just don't grab anything treated.
You can also just twist the pine cones in between the cage bars at various spots to keep them busy.
Bird loves it, and the pine keeps the bottom of the cage smelling fresh.
Large sections of natural rope work in a pinch instead of chain.
Had to do something, he had run out of couch to chew on..
Good Luck, things will get better.