Possible Clues:

• Hinder the progress of (something)
• Block or thwart, say a golf putt
• Block or obstruct as in golf (6)
• Throw up a stumbling block
• Hold up
• Pen note to European leader in awkward situation
• Hinder unknown number during difficult times
• Thwart complaint of observer about major route
• Stonewall, say
• Of course that's getting in the way of putting my ties