When to use fixer?

Can you elaborate on the ideal scenarios where a fixer would be utilized? Are there specific market conditions or investment strategies that would make employing a fixer more beneficial? For instance, is it more suitable during periods of high volatility, or when executing large transactions? Additionally, how does the use of a fixer differ from other risk management tools available in the cryptocurrency and finance landscape? Understanding the nuances of when and why to use a fixer is crucial for investors looking to optimize their portfolios and mitigate potential losses.