Coat of arms of Plott

The blazon

vert, three quatrefoils or, each charged with a lion s head, erased, sa. — Crest, an armed dexter arm or, purfled sa. holding a falchion ar. hilt and pomelled gold, a scarf, flotant from the hilt, enfiling the wrist, and tied in a knot, or and ar. [Gran<erfl587.]

A blazon is the description of a coat of arms in the technical language of heraldry. The drawing comes from that text, and from nothing else.