City parents get it. Getting a stroller in and out of public transit — or a plane or car for that matter — can feel like an extreme sport. The handlebar won’t click into place. Bottles are spilling. Kiddo is whining. A diaper bag rolling down the street. Eventually, I just chuck the whole thing into the trunk in some crammed position and hope for the best. After one too many of those anxiety-inducing attempts, I went on a mission to find a stroller that could fold down without breaking my back