Tutorials/Help in Blender

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I've been wondering how people works, but what are the commands to grab a vertex, and start grabbing the other vertices connected to it? I'm wondering because I need to use this with something I've been working on.
why wont Blender let me import models downlaoded in the .gLTF format
can any of you help, is it just a glitch or smth, or am i just stupid
Why my blender crash when i'm used viewport shading?
Ok now I'm really in a tough spot rn
https://gamejolt.com/p/ughhh-i-really-don-t-like-how-the-head-lo…

http://digicreatures.net/articles/rigacar.html
This right here is the best addon ever created, it makes rigging cars super easy and I really recommend it. Saves a lot of time and leaves you with an awesome rig.
(Image isn't mine)

or need your help (read description to understand)
Alright I’ve been playing out with the blender tools so later I can make my Benjiro model, so for those who have used Blender or any 3D modeling software, any tips that I can use?


A quick Blender Sculpt - 1 minute Demon Head - Feel free to ask any questions in the comments