Place the structure between the mattress and the foot board and enjoy.
How to fill gap between mattress and bed frame.
To make a cover for storage.
Adjust the bed frame so that it is wider than the headboard by unhooking it at the middle and widening the frame.
Or get a board and put it at the bottom to stop the mattress from moving.
Cover it with fabric or an old quilt or sheet.
Then use the area for under bed storage boxes and cover with a board and put a handle on it.
Secure the two longer pieces to the remaining short piece with 2 1 2 wood screws.
Place the hook into the next available groove.
Put the pillows on that area which now makes the bed longer.
Block the gap when a new mattress is just not in the budget consider bridging the gap at least until you can afford a new mattress.
Add the boxspring and mattress back to the frame and push them flush with the headboard.
Bamboo bed bridge twin to king converter kit wide bed gap filler to make twin beds into king adjustable 2 inch wide mattress connecting strap and 4 bed sheets fasteners storage bag included 4 1 out of 5 stars 138.