There are a gazillion different crochet hooks available – although not all have been available at all times.
Bone Crochet Hooks.
Baleen, ivory, and bone hooks can now be found only in places that sell antiques. And, buyers must beware that these hooks may not, in fact, be made of the purported material.
Mother of Pearl implements including a crochet hook.
Hooks made of shell, glass, and mother of pearl are also available, although these are mostly oddities that are more fun to look at than to use. And, they are generally costly and easy to break.
Seashell Crochet Hook.
Specialty hooks are also available – from the newest Provo set (previously reviewed) to the Handy Hooks that are mass marketed as being ergonomically designed.
There are other hook adaptations marketed. Search for them on Google. Occupational Therapists all over the world (but mostly in the U.S.) work diligently to adapt available hooks for use by people with physical impairments ranging from birth defects to strokes and trauma. Crocheting is so therapeutic and soothing that an old crocheter is always thrilled to be able to get back to it and beginners benefit from the rhythmic muscular action of crochet as well.
Glass hooks:
http://www.lacis.com/catalog/data/n_crochet.html
Many of these hooks made of unusual materials or of unusual design can be found at www.lacis.com
along with many crochet, sewing, knitting, tatting, and other needlearts tools.
