Coat of arms of Randell

The blazon

sa. on a chief ar. three lions heads, erased, gu. — Crest, an arm in armour, couped at the shoulder, embowed, and resting the elbow on the wreath, holding a spiked club.

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.