A review of a six-string Makore baritone was published a couple of years ago by Hodge (“Doc-J”), one of the stalwarts on the Ukulele Underground forum. Here’s the link to the full thread:
And here’s the link to the description of this instrument on The Ukulele Site:
https://theukulelesite.com/shop-by/ono-custom-bear-claw-spruce-makore-6-string-baritone.html