There are already some MAGNIFICENT tutorials on every part of crochet you can image.
Outstanding Crochet Channels
MOOGLY: By far, she is DA’ BOMB when it comes to making crochet videos. They are clear, easy to follow, they start with this cheery music (and an octopus!) plus you come away feeling ultra crochet smarterific.
Kim Guzman: I have nicknamed Kim the “queen of tunisian crochet”. Her youtube channel has over 133 videos, with 650, 000 views! She is very knowledgeable and shares this through outstanding tutorials on a variety of stitches, techniques and projects.
BobWilson123: I just recently found out about this terrific channel. She (bobwilson123 is actually “Clare” with an adorable accent) has a gazillion awesome videos, including full projects! You can seriously crochet a bag right along with her. Super cool.
More great sites with crochet videos
Stitchopedia with Jessie at Home