Educate yourself, get the book: The Paper Jacket by Paul Matthews
https://www.buffaloarms.com/the-paper-jacket-by-paul-matth-bokpj.html

Then peruse this page at Buffalo Arms:
https://www.buffaloarms.com/catalogsearch/result/?q=the+paper+jacket

There is more (and less) to paper patching than what you might get online here or elsewhere from a some self styled experts.......