Those of us who use duvet covers to protect our down comforters know how big of a hassle it is to put the duvet on! And it's even worse when you put it on the wrong way because you have to start all over. Here is my little tiny suggestion. Get yourself a sharpie and write 'BOTTOM' and 'TOP' write on the down comforter. So next time your take your duvet off you know you will put it on the right way. P.S. You can even write 'BOTTOM' on your comforter right now, even you aren't planning on removing your duvet. Just slip the bottom of the comforter out of the duvet, write 'BOTTOM' on it and slip it back into the duvet. Easy peasy!