Possible Clues:

• Hindrance
• I'm in prison without money, that's the snag
• Hindrance, obstruction
• Barrier to free speech?
• Roadblock
• It seems that I am no help when over the gable.
• Obstacle
• Let people, in time, dip crackers
• So I am architectural support? Quite the contrary
• Equipment carried by the army not a hindrance