Here is a tutorial on knitting with your fingers:
Also a link on knitting with bulky yarn:
Kat, Finger Knitting is popular and fun to do. This will show you all the ins and outs. Have fun with it!
Here is one on Hometalk:
Here's a how to with visuals! https://m.wikihow.com/Finger-Knit-a-Blanket
Let us know how it turns out. So fun!
here are some ideas!