Haha, it was driving me nuts. I tighten the screws and it would still squeak. I sprayed the lubricant at the 4 corners where the metals attached and I sprayed the screws as well. I did this Sunday, as I just found out about this. You can also use WD40 I read, as most people are familiar with that. But I'm very frugal and wanted to save 2 dollars lol so I bought the 3 in 1 silicone lubricant, it worked immediately, not a squeak out of my bed. This is the link, but again as I read online most metal lubricants will work.