As a bit of fun, I made this "Crazy Chicken Bag" from a pattern I found in an old edition of Knit Today (April 2007, to be precise).
It wasn't difficult. The main body of the bag was made of loops - the same as used in the pirate, witch and wizard hair pieces,
The strap is a simple I-cord.
The eyes, comb and beak are shaped pieces and stuffed.
So, none of it was difficult. But I didn't enjoy it. I can't tell you why not. Just one of those things.
I did change the fastening to a knitted toggle as I don't have a red button, but that was the only change I made