Comfy Chair Headboard?
What if you used plywood on each side as a vertical support for the arms of chair, maybe even leaning outward a little, and attach plywood arms to headboard back... then take a peice of PVC pipe, 4-5 inches in diameter, cut a slot that will fit over top edge...
Dressing Up a Chain Link Dog Pen?
how about a lattice surround, looks nice, but doggy ahould still be able to see!