More resources:
stop-paypros.neocities.org
yellat.money
cbldf.org/report-censorship report comic/manga censorship
freespeechcoalition.com goes after US porn laws. can join as an individual
erocreativeresources.org resources aimed at kink artists & supporters (includes where to go for legal help)

I tried the link, but unfortunately it gives me a 403 error.

However, I did reach out to the Main Office to leave a message, then also left a message at the Majority Office that I believe is connected to the hearing, which I will leave below (to add more?)
Majority Office: (202) 225-3641