Coat of arms of Randall

The blazon

gu. on a cross ar. five horse-shoes sa. — Crest, a bat, with wings expanded, sa. [Granted to Richard Randall, of Wolston, and Thomas Randall, of Bonnington, Warwickshire, by Cook, Clarencieux.'\

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.