YOU Can Make a Fursuit for $100 (a helpful guide) by Tsebresos on DeviantArt
FURSUIT TUTORIAL: Sewing Elastic Onto Your Tail by TECHNlCOLOUR on deviantART
fursuit tutorial | Tumblr
Foam Fursuit Head WIP - [Atlas] Más
How to improve your fursuit-crafting - Markings by FurForge
Fursuit Eyes you can see out of!
▶ Realistic Fursuit Jawset Tutorial - YouTube
I'm not interested in fursuits in general, but this has a lot of good fabricating ideas.
Angel Dragon fursuit head If you're interested, look up her videos on YouTube! Sonar turned out so well.