Flax

Flax was a material used by the Ga-Matoran of Ga-Koro to make String.

Uses
Flax wasn't used in any practical means, but as a material to make String. It was made out of Harekeke and Cowrie Shells. The String made out of Flax could be used to create other items including:
 * Ropes
 * Ships
 * Riggings
 * Nets
 * Kohlii Sticks
 * Riggings

Flax Makers and Flax Gatherers
On Mata Nui, Hahli did the job of a Flax Gatherer, while Amaya was a Flax Maker. The Flax Gatherer's jobs was to gather the materials the Flax Makers then used to create Flax.

Trivia

 * In MNOG 2, Hahli had to bring 1 Cowrie Shell and 6 Harekeke to Amaya, to recieve 2 Flax.