Arkon HM009 Taxi Headrest Tablet Mobile Printer Payment Terminal Mount - 4-Hole AMPS Compatible (sku 56026)Heavy duty headrest mount for tablets, mobile printers, payment terminals, or other 4 Hole AMPS compatible devices For car or truck headrests with 2 post configurations Attach it to drivers side or passengers side front seats HM009 is a high quality heavy duty universal mount that easily and securely attaches to headrests with 2 post configurations. Add a 4 Hole AMPS compatible tablet, mobile printer, or payment terminal (not included) to create the