nunchaku

/nʌnˈtʃɑːkuː/
noun
  1. A traditional Okinawan weapon consisting of two sticks connected by a chain or rope, used in martial arts.
    • In many countries, carrying a nunchaku in public is illegal.
    • The martial arts instructor demonstrated how to spin a nunchaku safely.
    • He practiced with a foam nunchaku to avoid injury while learning the moves.