Problem: Which strategy should be used to effectively help customers with hearing disabilities? Which strategy should be used to effectively help customers with hearing disabilities? Interact with the customers by asking them closed-ended questions for which the customer can provide descriptive answers. Avoid speaking louder or reducing background noise as it might hurt the customer's feelings. Over exaggerate your mouth's movements so that the customer can see your mouth form words. Use facial expressions and gestures to emphasize key words or express thoughts.