What is the fine-grained topic of the following text: But eagle-eyed readers may also notice that the interview briefly mentions that, among the multi-talented performer’s possessions, is none other than a crystal-powered healing modality—the BioMat 7000MX, a tourmaline-infused infrared heating pad (though, there’s also a amethyst option). Only return the topic.
The multi-talented performer's possession of a BioMat 7000MX, a crystal-powered healing modality.