Or get a board and put it at the bottom to stop the mattress from moving.
How to fill gap between mattress and bed frame.
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.
Place the hook into the next available groove.
Place the structure between the mattress and the foot board and enjoy.
Then use the area for under bed storage boxes and cover with a board and put a handle on it.
To make a cover for storage.
Secure the two longer pieces to the remaining short piece with 2 1 2 wood screws.
Push the frame back against the headboard.
Cover it with fabric or an old quilt or sheet.
For the sturdiest fix simply screw one or more 2 inch thick.
Add the boxspring and mattress back to the frame and push them flush with the headboard.
Adjust the bed frame so that it is wider than the headboard by unhooking it at the middle and widening the frame.