How can I the rain cover with the Harvey 2 chair? Thank you
I am not really sure what you are asking. If you're not sure about the fit of the original raincoat, here's how it should look like:
If you're asking about where to get one, go HERE on the original Easywalker website. And you can, of course, also get a universal one - any pushchair one should be fine if not a super small (XS) or extra large (double) one.