1) Farming tool 
The Carruca was a heavy, wheeled plow with an iron plowshare which may have been employed by some Slavic groups as early as 568 CE according to linguistic clues. The carruca was present in the Po Valley of Italy by 643 CE and in southwestern Germany by 720 CE as evidenced by the use of the word to describe the plow contained in the Lex Alemannorum...