There is a more general principle, which is that you are in a 3D space and twisting a couch (or whatever) in it will help you find the way through. Sometimes yo

There is a more general principle, which is that you are in a 3D space and twisting a couch (or whatever) in it will help you find the way through. Sometimes you only need a little space above you to achieve the twist you need. Also due to the biases humans have with respect to orientation in space, turning the item upside down, back to front or both can also make things much easier.