A medium weight boot, of medium height, with medium heavy soles armed only with the small Hungarian hobnail is about the proper thing.
"Camp and Trail"
Stewart Edward White
There was a scrap of paper with a Latin exercise bristling with errors, a smooth stone, a shabby, notched knife, a bit of chalk for drawing, an iron arrow-head, a broken hobnail, and a falconer's glove, which Count Lips had given his comrade.
"The Complete Historical Romances of Georg Ebers"
Georg Ebers
There lay Tom; hobnail Tom!
"The Complete Project Gutenberg Works of George Meredith"
George Meredith