Somehow, I'm too stupid. I can't find anything to claim them.
It's gonna be pretty hard. In this business area, there are few consumers and even fewer manufacturers. A coin would then have to offer considerable added value compared to STEEM. For example, it would have to be possible to pay the suppliers with it. Unfortunately, this is not even possible with Bitcoin.
Maybe this will change sometime, then it would be worth a try.
You can claim them in the steem-engine exchange. https://steem-engine.com/?p=sign_in
As for the Astro token. It deserves some further thought.
A very small niche for sure but globally quite big.
With Metal pay and similar payment developments. It could work in the very near future?