Good evening, my name is***** to JustAnswer. I am so sorry to hear that Molly is injured. I am happy to help and see if there is something we can do at home or if a vet visit is needed. Do you think you can attach a picture of the dewclaw so I can see what you are seeing? We often do not bandage toenail injuries due to the risk of causing a humid environment for bacterial growth, which can cause an infection.