You don't need any tool in the world to do yoga, which is one of the best things about it. You can do it completely naked, in your bathingsuit on a beach, or in a $400 outfit with all sorts of accoutrements. But even though you don't need anything to do yoga (though most people prefer to use a mat), sometimes it's nice to have a little assistance.
Beyond blocks, mats, bolsters and straps, which are de rigeur at most yoga studios, one of the accessories below might well help you take your practice to the next level.
Related yoga story on MNN: How to find the right yoga teacher for you
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