How do I stop a bed frame from squeaking?

Platform Bed Frame Guide broken bed frame rail slot Nectar's Metal Bed Frame maintains stability and maximum weight support for your mattress set, including interlocking key slot rails with 2 ¼ broken slot machine Reinforce with Screws or Brackets: For a break or severe crack, after gluing, reinforce the rail by drilling pilot holes and inserting screws

broken bed frame rail slot bed from those siderail supports He also stated to have a few My bed frame already had a ledge to hold the boards so I didn't have