Thanks, I had my eye on them along with seedsigner as recommended by nostr:npub1qny3tkh0acurzla8x3zy4nhrjz5zd8l9sy9jys09umwng00manysew95gx
I think I'll get a few different ones to play with.. All good fun.
I reposted your reply by accident, still getting used to Nostr.
I don't think it's possible to undo an action?