Iron (ferrous sulfate) Carding Shoulder strap for easy carrying

Shoulder strap for easy carrying

Yarn Info:

Kristen TenDyke

nickel-plated join is crimped and glued to ensure a secure connection

Iron (ferrous sulfate) Carding Shoulder strap for easy carryingIron (ferrous sulfate) is used as a color changer, darkening or saddening natural dyes on protein or cellulose fibers. It also increases lightfastness and acts as a mineral mordant for dark shades. The famous black dye recipes from the 17th and 18th century use generous amounts of iron and tannin. Iron reacts with the tannin in many dyestuffs creating colors ranging from chartreuse green to black, depending on the dye it is combined with. This iron