They protect you from signing releases too early

https://pr.washingtoncitypaper.com/article/Atlanta-Metro-Personal-Injury-Law-Group-LLC-Resolves-dollar4000000-Workplace-Injury-Case-After-Identifying-Overlooked-Personal-Injury-Claim-Missed-by-Previous-Attorney/6a4e8b01a510ee00028afc6d

They protect you from signing releases too early, ensuring you do not waive rights before the full value of your injuries is known.