Related Clues:

• Improvise
• Unmemorized words
• Wing it
• Stitches
• Unrehearsed
• Sews up
• Robin Williams comment, maybe
• Borders
• Speak without notes
• Designers' lines
• Unprepared comment
• Extemporize
• Improvisation
• Surrounds, with 'in'
• Wing it, speechwise