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I ordered 200 pair of eyelets to inset as end caps. I use a variety of crochet needles to wrap around. Yours look good.
As an alternative to a bead try a button.I am making jewelry with some right now.
Small amount of baking soda and vinegar will produce co2. Don't overdo it. You just want gas. The vinegar traps work great for fruit flies.
I use more wire, but smaller gauge.
The dish washing liquid in water is all you need. My dog's vet says a few drops is all it takes.
I'd have to get the cord from inside of my locked car.