Ready for Hillary, the unofficial super-PAC working to draft Hillary ClintonHillary Diane Rodham ClintonAttorney charged in Durham investigation pleads not guilty Attorney indicted on charge of lying to FBI as part of Durham investigation Durham seeking indictment of lawyer with ties to Democrats: reports MORE to run for president in 2016, has launched an online store offering shirts and buttons for supporters.

The store features T-shirts and buttons emblazoned with Clinton's face and the word "Ready" in block letters. The group is also selling other merchandise, ranging from hats to stickers to iPhone buttons, with its logo.

It appears to be the first organized merchandise store selling Clinton presidential wares, and reflects the enthusiasm — and mounting sense of inevitability — surrounding the former secretary of State's potential run.

Clinton has declined to say if she is considering a 2016 campaign, but Ready for Hillary has already signed on a number of big-name supporters, most recently retired Army Gen. Wesley Clark, who also endorsed her in 2008.

Sen. Claire McCaskillClaire Conner McCaskillRepublicans may regret restricting reproductive rights Sunday shows preview: States deal with fallout of Ida; Texas abortion law takes effect Giuliani to stump for Greitens in Missouri MORE (D-Mo.) last week became the first sitting lawmaker to endorse the draft effort, an attempt to smooth over the rocky past between the two. McCaskill endorsed then-Illinois Sen. Barack ObamaBarack Hussein Obama Chelsea Manning tests positive for COVID-19 The Hill's Morning Report - Presented by National Industries for the Blind - Tight security for Capitol rally; Biden agenda slows Obama backs Trudeau in Canadian election MORE for president in 2008 and made controversial comments about former President Clinton, saying she would not let him near her daughter.

Hillary Clinton appears to be watching the draft effort unfold, even as she remains under the political radar, spending her time speaking on behalf of women's issues and traveling the country for private meetings with friends and associates. She called McCaskill following her endorsement to thank her for her support.