Single women get to buy shoes they love (with discounts) and possibly meet their lifelong partners.

FORBES: Step 1

However, you would have to pay for a single use bag if you had bought the shoes.

BBC: Quiz: When do you have pay for a carrier bag in Wales?

Because typically when somebody's going to pull you aside and it's another single mom who's been in your shoes.

NPR: Technology Meets Single Motherhood

When his friend Billy Calloway got a road bike, he got one too, and the pair would set off across the George Washington Bridge and up to Bear Mountain, utterly clueless, a single water bottle between them, Dave dressed in surfer shorts and wrestling shoes.

WSJ: Cycling: Jason Gay: The Last Big Wheel of NYC

Each of these contains a "collection" of seven or so shoes that are the work of one designer, or are pieces from a single collector, or are creations that share a theme or structural motif.

WSJ: High-Concept Enchantments: Review of Shoe Obsession at the Museum at FIT