koxhero mattress retainer bar bracket holder 6pcs keeping mattress from sliding for foot of platform beds,adjustable beds,rv mattress,mattress slide stopper mattress gripper 3.5in-6pcs-black is up for auction in Home & Kitchen. The current bid is $1.00, 97% below the $31.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.