I’m under the impression that the yarn weight gets in the way as far as the more hobbyist specialty yarns. This is being run as a pattern in 30/1 cotton with lycra on Italian circular knitting machines.
Thank you so much for responding and wishing me well with this, though.
Just saw you are in the Carolinas.
You must know of Unifi,
http://unifi.com/un_product_ourbrands.aspx
They have a 4t7 thread made of silver than can be combined with anything else to create a metallic yarn.
Not sure if cost competitive, but it’s local in Greensville.