by two lights do you mean the chandelier + pendant or two pendants? Your light:

I searched for stave and iron pendant light and found these. Many came up but most are chandeliers or really ugly...lol. Would something like this work for you?

stave light

https://www.etsy.com/listing/470354022/1035-spiral-wine-barrel-hoop-pendant?ref=related-4

Lots of the Etsy sellers seem to offer custom pieces made from wine barrels. You might do some more searching there. Problems with the pendants I found is that they don't really put out much light, so depending on your needs, you may want to just go with a dark metal pendant that coordinates with the metal on your chandelier:

Maybe not this one, but something plain like this? Wood and metal: