Ice Creepers

 

This is a set of hand forged, iron ice creepers.  They would be tied just in front of the heel of a shoe, and make it easier to walk on densely packed snow, or ice.  They measure around 1.5″ x 2″ x 4.25″.  For source and more details, click here.

Here is another example:

Ice Creepers

 

Image from: http://www.cr.nps.gov/museum/exhibits/revwar/image_gal/morrimg/creepersmorr.html, http://www.nps.gov/history/museum/exhibits/revwar/image_gal/vafoimg/frameshell.html