Crossword clues for the word: HOBNAIL The word HOBNAIL has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for HOBNAIL Showing 1 to 8 of 8 results Clue(s) Bit of protection for the soles of heavy boots Boot stud Boot-sole reinforcer Feature of a logger's boot It protects a boot sole Item found in Boots by setter, with nothing to hide source of all ... Item on a boat sole. Thick-headed fastener