Possible Clues:

• River into which the Fulda flows
• The river may stitch it up again
• One might make a sewer of this flower
• The river is needling one again if it changes its course
• With 10-Down, region of Lower Saxony
• You and I receive faultless service on river
• Stitch the river back again
• Where there were rats to stitch them back again, perhaps
• It's up to stitch up once more the ratty river
• It could be the turn of the river to have you in stitches once more