Complex sentence: The Battak is a hollowed out club made of a hard wood that is wider at one end than the other the larger end has a plug in it, the inside of the club may be stored rocks, pellets or any form of bullet.
Split into simpler sentences: The battak is a hollowed out club made of a hard wood that is wider at one end than the other. The larger end provides access to the inside of the club, which may be used to store rocks, pellets, or any form of bullet.