Thanks to this new invention from China, the amount of clevage you display is variable, ladies. With a slight tug on the strings, your sweater puppies can go from "au naturale" to "subway rush-hour packed" in just seconds. Purple check-mark indeed!

Warning! video contains numerous views of women's breasts being squeezed together by lacy things. Make sure you've got an hour or so open in your afternoon before you start watching it.