This just in from Alex Cook, public relations voice of Mustad Hoofcare Center:
"Fran, Street Sense was wearing St. Croix Forge Aluminum Racing Plates — they were low toe plains on the front and plains on the hind feet."
Please see the following post (May 15) for a full article about the Kentucky Derby winner's farrier and the use of St Croix racing plates and Capewell nails.