Chafing: This refers to the discomfort or irritation caused by friction. It can also be used to describe a feeling of restlessness or impatience.
Customs Chain: This is a metaphorical representation of rules, regulations, or bureaucracy that can restrict freedom or movement.
Combined Meaning: "Chafing at the customs chain" signifies the feeling of being frustrated, impatient, or restricted by the rules and regulations of customs or any bureaucratic process. It implies a desire for freedom or to break free from these constraints.
Example: "After spending hours in line at customs, I was chafing at the customs chain and eager to reach my destination."
In short, the phrase conveys a sense of being held back or frustrated by bureaucratic procedures.