Possible Clues:

• Joris put his foot in it, bringing the good news from Ghent!
• The narrator sprang to Roland's, shortened it, later stood in it
• Prison officer finally lifted loop
• Provoke into collecting rare kind of footrest
• Mounting aid
• John Peel put his foot in it
• Provoke about Queen? Knight might have put his foot in it
• To demonstrate contentment, the thing is getting up and mounting support
• Place for a horseman's foot
• Right to agitate about type of cup