Amazon.com: Wooden Vertical Bed Slats for Twin Bed/Single Bed/Sofa Bed, Collapsible Heavy Duty Bed Slat Holders, Customizable Size (Size : 120x150cm/47.2x59.1in) : Home & Kitchen
Glance 0.75-in Heavy Duty Mattress Support Wooden Bunkie Board/Slats, Twin in the Box Springs department at Lowes.com
Move Your Bed Slats (The Easy Way) : 4 Steps (with Pictures) - Instructables
TARVA Bed frame, pine/Luröy, Queen - IKEA
Try this simple hack to make your IKEA bed sturdier and easier to maintain [OC] : r/lifehacks