Political action committee Americans Against Insecure Billionaires with Tiny Hands ran its first ad tonight, targeting MSNBC viewers in Washington D.C. and asked them to sign a petition demanding Donald Trump release his hand measurements. The group, founded in Portland, Oregon, earlier this year, will reach out to other markets.

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The PAC was started in March by Portlander Henry Kraemer, who said his goal was to “expose the truth about Donald Trump’s tiny baby hands,” reports The Oregonian newspaper. The PAC has bought TV ad time in Washington D.C., where they plan to air this ad, titled Release the Measurements. They will expand their efforts to other parts of the country “as needed, ” Tiny Hands PAC’s Communications Director Katie Nguyen told the newspaper. Nguyen said their goal is to hold a live on-air measurement TV special, but would accept the measurements, if provided by Trump’s physician and notarized.

Back in March, in a GOP debate hosted by Fox News Channel, Trump brought up his hands at the start of the exchange of ideas, suggesting, as some have said, he’s sensitive about them. Marco Rubio, in a pre-Super Tuesday rally speech, said of Trump, “You know what they say about men with small hands — they can’t be trusted.” Rubio got asked about those personal attacks, because apparently presidential candidates who have not starred in reality TV series are held to some higher standard than those who have.

“He hit my hands. Nobody has ever hit my hands. I’ve never heard of this! Look at those hands! Are they small hands?” Trump asked FNC moderators Megyn Kelly, Bret Baier and Chris Wallace. “He referred to my hands – if they’re small, something else must be small.”

“I guarantee you there is no problem. I guarantee.”