Hah too late, I bit into one not ripe enough yet and wondered why my mouth went numb for a few minutes...lol!
Well at least I know its the astringent variety.. probably a Hachiya from what I read.
I had one that was ripe and indeed it was quite lovely.
Hah I think you are confusing walnuts with hickory nuts. So far our hands have not gotten colored from handling the husks.. they come off just leaving them to ripen on their own.
😅