ironshod hooves.    From Wordnet, Princeton University. 

"Enter," he said wryly as the clumping and stomping of ironshod feet halted just outside the tent flap.    From Wordnik.com.  [War of the Twins]

He was searching for a wife when he fell into the trap, the cruel ironshod teeth of the device bit deep into the soft part of his leg.    From Wordnik.com.  [Archive 2003-02-01] Reference

Big solid ironshod boots, that added an inch to her stature.    From Wordnik.com.  [From "Dorothy: a Country Story." IV. Beauty at the Plough by Arthur Joseph Munby] Reference

At the same time he made an effort to displace the big ironshod shoe which rested on his treasure.    From Wordnik.com.  [Les Miserables, Volume I, Fantine] Reference

Waving arms and clutching fingers pursued them from below; ironshod heels trampled them from above.    From Wordnik.com.  [Mother Earth, Vol. 1 No. 1, March 1906] Reference

Rascality of France beleaguering the Royalty of France; 'ironshod batons' lifted round the diadem, not to guard it!.    From Wordnik.com.  [The French Revolution] Reference

But scratches made by ironshod hoofs on the rocks might have led expert trackers to suspect the hoisting of stolen stock up the cliff.    From Wordnik.com.  [Bloom of Cactus] Reference

The last I did begin to see now; but they were not the prints of ironshod hoofs, only those of antelopes, large and small, and not too frequent.    From Wordnik.com.  [Charge! A Story of Briton and Boer] Reference

Place, a new and greater kingdom, anarchy held down by an ironshod heel, peace and the fruits thereof, until out of very prosperity the people grew fat and content.    From Wordnik.com.  [Long Live the King!] Reference

With sharpened scythes and pitchforks, with pointed staves and heavy truncheons and ironshod clubs, they killed the miserable Germans all day long, and the line of escape was marked along the Beauvoisine road by corpses almost to.    From Wordnik.com.  [The Story of Rouen] Reference

Those that in the passes of the mountain had lost their lances had provided themselves with the goads used by the Campo cattlemen: slender shafts of palm fully ten feet long, with a lot of loose rings jingling under the ironshod point.    From Wordnik.com.  [Nostromo, a Tale of the Seaboard] Reference

The showers of bright sparks which flew from the stony road under the ironshod feet of our horses remained glowing in our wake like a fiery trail; and had any one at that hour of the night beheld us both -- my guide and myself -- he must have taken us for two spectres riding upon nightmares.    From Wordnik.com.  [Clarimonde] Reference

Tricolor ribands streaming aloft from pike-heads; ironshod batons; and emblems not a few; among which, see specially these two, of the tragic and the untragic sort: a Bull's Heart transfixed with iron, bearing this epigraph, 'Coeur d'Aristocrate, Aristocrat's Heart;' and, more striking still, properly the standard of the host, a pair of old Black Breeches.    From Wordnik.com.  [The French Revolution] Reference

A wild, ironshod hoof drove toward his face.    From Wordnik.com.  [An Ill Fate Marshalling]

Rascality, armed with axes, rusty pikes, old muskets, ironshod clubs.    From Wordnik.com.  [The French Revolution] Reference