Realistic Wing Tutorial - P.6 WIP

This is still a Work in Progress, but "done beats perfect" so here's what I have so far...EDIT: aaaand DONE, for now. Now you know as much as I do!  Moving on to another pair of wings and will readdress the gaps then, with better pictures/explanations, etc.

Will post a new one when I do, so don't worry about missing it!

Part 0 - MATERIALS
Part 0.5 - TOOLS
Part 1 - CONCEPT
Part 2 - FEATHERS
Part 3 - HARNESS
Part 4 - ASSEMBLY
Part 5 - COVERTS
Part 6 - ARM-COVER WIP YOU ARE HERE
EXTRA -  RESULTS: See what OTHER people have made following this tutorial~

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Wing Design/Tutorial © =Sunnybrook1