"...hobbled or fettered to a clog; said of a horse. When the bearing is properly depicted, a fore and a hind leg should have each a fetter-lock above the foot and fastened to the one end of a heavy clog." —Whitney, 1889
<p>Illustration of a shield with a depiction of a spancelled (spanceled) horse.

Spancelling of a Horse

"...hobbled or fettered to a clog; said of a horse. When the bearing is properly depicted, a fore and…