This is not the standard crochet you have been used to; trying to find the right wording for it, the most accurate appears to be the ISK, a technique with which you will create designs that look like knitting, while using a crochet hook.

A very detailed tutorial with many images, illustrations and explanations, anyone can follow it and create him/herself YoolaTube Necklace, no special knowledge is required, only two hands and good eyesight.
My YoolaTube Necklace is created using a crochet hook and fine metal wire.

Please note all rights reserved to YooLa (aka Yael Falk), and it is prohibited to make commercial use of the tutorial and/or the pattern.
Discover a new wire crochet technique I have developed, the ISK (Invisible Spool Knitting)!