Most cat walls stop dead at the corner. The corner bridge fixes that. An angled platform lets you tie a bridge into a pair of shelves across a perpendicular corner, so your cat can round the bend and keep going instead of turning back. It opens up a whole second wall.There are three ways to configure it, which gives you room to route the crossing however your space demands. It is the piece that stitches separate condos into one continuous loop around the room.