Not worth one hobnail on the sole of a Roman caliga!.    From Wordnik.com.  [Fortune's Favorites]

The print, made by a hobnailed sandal called caliga, the sandal worn by Roman soldiers, is one of the only finds of this type.    From Wordnik.com.  [Footprint of Roman Soldier’s Sandal Discovered at Hippos | Impact Lab] Reference

One of them, Caius, was called by the soldiers Caligula, or the Little Shoe, because he wore a caliga or shoe like theirs; and he never lost the nickname.    From Wordnik.com.  [Young Folks' History of Rome] Reference

Nigronius de caliga veterum p. 81.).    From Wordnik.com.  [Lexicon vniversae rei nvmariae vetervm et praecipve Graecorvm ac Romanorvm cvm observationibvs antiqvariis geographicis chronologicis historicis criticis et passim cvm explicatione monogrammatvm edidit Io. Christophorvs Rasche] Reference

"Put a caliga in it, you miserable cow!.    From Wordnik.com.  [Smart Dragons, Foolish Elves]