by Jonathan Vatner | May 28, 2010

train reaction suitcase connectorMost frequent travelers have mastered the art of one-bag packing, but for those times when one isn't enough, use the Train Reaction Device. This tool attaches two bags together and, thanks to the magic of physics, makes the two feel light and easy to pull. You might have to pay luggage fees, but at least you'll save on physical therapy. The Train Reaction costs $19.95 for two. (714) 843-9288;