I have no idea where my wife found them but we have duvets with an opening ⅓ of the way up, ½ the width of the duvet. Means you can’t invert it, instead just th

I have no idea where my wife found them but we have duvets with an opening ⅓ of the way up, ½ the width of the duvet. Means you can’t invert it, instead just the top corners out through the hole, and I usually need to use my teeth as a third hand while I use the others to stuff the duvet in through the hilariously tiny aperture.