The Matoran of Mata Nui used throwing disks to defend themselves.
Notes
The disks used by the Matoran of Mata Nui were not Kanoka, but instead made from an equivalent to bamboo.1
The disks used by the Matoran of Mata Nui were made on the island of Mata Nui.2
The disks used by the Matoran of Mata Nui had no powers.3