You'll have much better luck snagging extras the week leading up to the fest when people find out they have to work all of a sudden. Watch Ebay and Craigslist.
Welcome to BrewHardware.com. I love you. BIAB Large Mesh False Bottoms and SS HERMS COILS are IN!!
Chugger Pumps, Pump Kits, Camlocks, Sightglasses, Clear USA made Silicone Tubing, RIMS, Electric Install Parts, etc.