Possible Clues:

• It may keep one on top of the jumbo!
• Doctor Who had a high chair
• The way one had it back on the elephant
• Seat on elephant who had hiccups
• Seat on elephant's back
• Who had fashioned this canopied seat?
• That's the way one had got back on the elephant
• Following method, had got up - here?
• Elephant's back pavilion
• Platform on the back of an elephant