Not sure if this was posted yet but Headrest Molle Covers. Great quality and perfect fit.
OneTigris Tactical Headrest Cover with MOLLE Back Panel for Car Seat (Black) https://www.amazon.com/dp/B07JHZGB1X/ref=cm_sw_r_cp_api_i_BfN8EbKG63KWH
OneTigris Tactical Headrest Cover with MOLLE Back Panel for Car Seat (Black) https://www.amazon.com/dp/B07JHZGB1X/ref=cm_sw_r_cp_api_i_BfN8EbKG63KWH