We are traveling with our pups for our first major trip (12 hour car ride). They will be wearing their harnesses and strapped in (though haven't completely decided on a certain product for that yet - so let me know if you know of a great one or one to stay away from) somehow. We also have a carrier (though they much prefer to be held
. Looking for some thoughtful suggestions or tips I may be overlooking or hadn't thought of. Thanks in advance