If you already own a Graco infant carrier that you use all the time, but you've fallen in love with the versatility of the Mutsy 4 Rider, choose the Graco adaptor. It lets you attach your current carrier or car seat to your Mutsy stroller's frame. Easy to install and super secure for long, durable, worry-free use, this adaptor helps you incorporate all of your baby gear into a single, seamless system that goes anywhere with you.