Possible Clues:

• Support for climbers
• Latticework structure
• A likely backer for the training of climbers
• Rose-arbor structure
• Prune plant climbing window ledge and frame
• Framework — stiller (anag)
• Rossini's man claiming right is to provide supporting framework
• Still dancing about on climbing frame
• Tillers dancing to provide framework for growth
• Climber's support