Clipless pedals - I am new to these things. I picked up my new Specialized Roubaix last Sat., and am getting used to riding it. I have been riding Hybrids with regular pedals for the last 8 years. Handling characteristics of the Roubaix are a lot different than those of my trusty Fisher Zebrano. On my first time out on the Roubaix, I just cruised around my neighborhood, practicing engaging and disengaging my shoes from the pedals. The second time out I did the 20 mile route that I have done to date on the Zebrano. There are 4 places on this route that usually require coming to a full stop. The first 3 went OK - I got my shoes detached/attached in good shape. At the 4th stop, I busted my arse quite nicely. Fortunatley, I had already come to a stop. I detached my right foot first, with the leg fully extended. I tried to hurry with the left foot, got hung up, and tipped over (to my left side) in to a car that was wating on the light in the left turn lane. This, of course solicited shreiks of dismay from the mother and daughter that were in the car. No damage was done to the car or my bike. I picked up a chain ring bite on my right leg, and a skinned knee. Out side of humiliating myself in public, all ended well. Any recommendations from experienced riders regarding the art of operating clipless pedals will be appreciated. My first experience with the things was amazing - what a difference. I aim to join the local cycling club, and participate in longer rides that hopefully have fewer stops to contend with.