Didn’t realize there exists such a problem, let alone a product that remedies it.
Does it mean there are many people who bought the wrong size (length-wise) mattress for their bed frames? Is that even possible?
Just looked through my bedrooms. Seems I can’t use this for its intended purpose.
But I suppose it’s a good deal to support my legs?
I think it’d be good for something like our guest bedroom, where the mattress is about an inch or so from the wall because the outlet is behind it, but I can’t imagine using it for that tiny space lol.
I don’t know if it’s tall enough to actually elevate your feet, it looks pretty small.
Even if you have a properly sized mattress this is a nice thing to have. In my house we each have two pillows so that when we sit up in bed we can get lower back support. This would eliminate the need for one set of pillows. This will also minimize the chance of dropping a remote in the gap between the headboard and the mattress.
I think it’s mainly to help you prop up your pillows to sit up in bed, if they keep sliding down your headboard? Not sliding down into the gap, but sliding down to being flat.
“Bed crack pillow” LOL 
This is exactly what this is for, keeping things from falling behind the mattress, remote, cell phone, etc.
I’m worried about the accuracy on the specs.
Adding 2 inches to the California King only raises the weight by 3/100 of a pound, but doing the same to the smaller King size version adds over half a pound. Then for the Queen size, the smaller one is actually HEAVIER.
Good deal. Selling for $10 more on the mothership. 4.5/5 star ratings.
WTH- I got me a split king, where it the twin xl size. 
Bro, when you order a soda, do you ask for 9/100 of a gallon?
I have a metal bed frame and my mattress seems to slide on the box spring a lot, so there is a gap between my mattress and frame. I have two pillows and one always gets stuck in the gap, so this would solve my issue.
Frame for my bed doesn’t have a headboard —-yet. We’ve been stuffing foam pillows between the wall & mattress.
This is perfect until we find a wall mount headboard.
No, usually just 16/128.