The removable TAMOV-PF headrest can be used on straps:

SURPC2-PF, SUP2-PF, SURP2-PF, HA2-RBA-PF, SUBAS2-PF, SUBAI-PF, SUCBAS2-PF, SUCBAI-PF, SST-PF, SSTBA-PF, SHA2-PF, SHAC2-PF, SHA2BA-PF, SHAC2BA-PF, SUCPEHA2-PF, SUCBAHA2-PF

TABAL-PF removable, whalebone headrest can be used on straps:

STORP2-PF, SATL-PF, STO-PF

The TAAT-PF faceplate with fasteners is used on straps:

SUBAS2-PF, SUBAI-PF, SUCBAS2-PF, SUCBAI-PF, SHA2-PF, SHAC2-PF, SHA2BA-PF, SHAC2BA-PF, SUCPEHA2-PF, SUCBAHA2-PF