Possible Clues:

• Hinder, obstruct
• Hinder, be obstructive
• Claim pedestrians are having to cause a blockage
• It will hold me up if I am deep but twisted
• Obstruct, hold up progress
• How one claims to be deep and twisted enough to hold you up
• Obstruct or delay
• Interfere with progress
• Obstruct, hinder
• I am coming to a deep twist that will cause an obstruction