Updated

Add G-strings and push-up bras to the list of prison contraband.

The Tennessee Department of Correction will ban visitors from wearing thong underwear and bust-enhancing "water brassieres" when a revised set of visitation rules takes effect on Aug. 1, the Tennessean reports.

Click here to read the report in the Tennessean.

Prisoners "don't need any help getting turned on," Correction Commissioner George Little told the newspaper.

Anyone caught wearing the revealing undergarments won't be allowed in.

"Visitations are an important part of the prison experience," Little told the paper. "We want them to be as safe as possible and as uneventful as they can possibly be."

Water brassieres contain pouches of water designed to boost bust lines.