Possible Clues:

• Support; long pillow
• Support son beset by one running out of control
• Lobster served as this on a bed?
• Horse that runs away, perhaps, carrying son's padded support
• Support — strengthen
• Support stockings at first carried by runaway
• Add support to
• Runaway keeping seconds for support
• British veteran missing daughter's support
• Panicked horse, perhaps, receives small support