Balls are struck back and forth with a wooden cylinder , called a bracciale , worn over the forearm : if carelessly played , a broken arm can result because a bracciale can weigh NUMBER@1 kilograms .

Balls are struck back and forth with a wooden cylinder , called bracciale , worn over the forearm , if carelessly played , a broken arm can result : in fact bracciale weighs NUMBER@1 or NUMBER@2 kilogram .
