Conjoined twinship is a deformity associated with the various conjoined parts of the body or the excess of some parts especially limbs. There are various studies conducted with conjoined twins in the international literature until now. Most of them are case reports or short biographic studies addressing the live of some world-famous twins (Biddenden Maids and Siamese Twins). https://cuttingedgecutleryco.shop/product-category/ring/