Now that we are in suburbia and drive a car (bleh), Oscar spends a lot more time in his car seat. The straps leave angry red marks on his neck, so I used Ashley's seat belt cover tutorial to make these:
Ahh, much better. So my point is, check out Make It and Love It. Great stuff.The measurements in Make It and Love It's tutorial are for a jogging stroller. If you are making yours for car seat straps, consider making them short, or adding button holes like I did.