Considering whether to buy a used bike and stumbled upon an interesting creature – http://washingtondc.craigslist.org/doc/bik/5388496139.html It’s called a trail-a-bike. It attaches to another bike to make a tandem. Here’s where they sell new ones: http://www.trail-a-bike.com/products/trail-a-bikes/ first time seeing something like this
Hi, I'm Rauf Aliev. 