Here's a simple method of making your own gaskets. These gasket sheets can be bought very cheaply.
Some things I used in this video...
Razor Blade Scraper - https://amzn.to/2LGgIBM
Gasket Material - https://amzn.to/2Jc7HBN
Hammer - https://amzn.to/2H4lvJK
Hole Punches - https://amzn.to/2LFHQR2