Surprisingly, wooden coffee stir sticks are a unsustainable and virtually non-compostable product.
Even more surprising: plastic stir sticks break down faster than wooden ones.
This is unbelievably easy to make and just takes a few minutes to paint it.

Its certainly a unique piece of jewelry that you wont see everybody wearing.
select shop at the top and search brass arrows.
You may try finding them at a craft store too.