Four brackets are screwed onto the rim just under the flange. These brackets have a large hole that the thumbscrews go through on their way to the resonator lugs. This system between the flange, thumbscrews and resonator lugs hold the resonator onto the banjo pot. Recording King is a brand of instrument currently owned by The Music Link Corporation and is located in Hayward California. The brand was originally a house brand of instruments made for the Montgomery Ward company.