What Causes Bubble Sound While Walking With Pain In Feet?

Hi, may I answer your health queries right now ? Please type your query here... My father has a feeling of walking on bubble wrap as he walks and has pain in his feet. Could thi sbe gout or related to diabetes just found out today TSH is 13.8 and he will need thyroxin also dr wanted him tested for diabetses but nurse forgot also has high cholesterol.