There is no definitive answer to this question as there is limited research that has been conducted on the matter. Some people believe that flip flops may help improve feet because they provide a good amount of support and can help to keep feet warm during colder months. Others believe that flipping flops does not have any significant impact on feet and may even cause them to feel more slippery when wet. Ultimately, it is difficult to say whether or not flip flops are effective in strengthening feet.