
1) Agave fiber 2) Basket fiber 3) Basketmaking fiber 4) Basketmaking need 5) Basketry fiber 6) Basketry material 7) Basketwork fiber 8) Carpet fiber 9) Certain carpet fiber 10) Coarse fiber 11) Cord fiber 12) Cordage fiber 13) Cordage fibers 14) Fiber for cordage 15) Fiber for nets 16) Fiber from agave
Found on
https://www.crosswordclues.com/clue/istle

Istle (also spelt ixtle) or tampico fiber is the general name for a hard plant fiber obtained from a number of Mexican plants, chiefly species of Agave and Yucca. Istle or ixtle is also used as the common name (or part of the common name) of the plants producing the fiber. Ixtle is also the common name of a species of bromeliad, Aechmea magdalenae...
Found on
http://en.wikipedia.org/wiki/Istle

coarse tough Central American fibre used to make cords and nets
Found on
http://phrontistery.info/i.html

• (n.) Same as Ixtle.
Found on
http://thinkexist.com/dictionary/meaning/istle/
Is'tle noun Same as
Ixtle .
Found on
http://www.encyclo.co.uk/webster/I/104

Istle is a plant fibre obtained from various species of Agave and several other plants in Mexico and central America, and formerly used during the 19th century for making carpets and cords.
Found on
http://www.probertencyclopaedia.com/browse/AI.HTM

a fiber from any of several tropical American plants of the genus Agave or Yucca, used in making bagging, carpets, etc.
Found on
https://www.infoplease.com/dictionary/istle
No exact match found.