TantivyBo Dog Backseat Extender Hard Bottom with Pet Seat Belt - Supports 520lbs, Dog Hammock for Tesla Model 3/Y, SUV and Trucks?Black? is up for auction in Pet Supplies. The current bid is $2.00, 94% below the $35.88 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.