Essential tools for perfecting sauces

I’ve been experimenting with different tools for making sauces, and I have to say, a good immersion blender has changed my game. There’s something about how it creates that velvety texture without losing any of the flavor balance that’s crucial. What are your go-to tools for sauce-making and why?

‌⁠‍⁠​‍​‍‌⁠‌​​‍​‍​⁠‍‍​‍​‍‌‍‌⁠‌‍​⁠‌‍‍‍​‍​‍​‍⁠​​‍​‍‌‍‍⁠​‍​‍​⁠‍‍​‍​‍‌‍⁠‍‌‍‌‌‌⁠‌⁠‌‌⁠⁠‌⁠‌​‌‍⁠⁠‌⁠​​‌‍‍‌‌‍​⁠​‍​‍​‍⁠​​‍​‍‌‍‍‌‌‍‌​​‍​‍​⁠‍‍​‍​‍‌‍⁠‍‌‍‌‌‌⁠‌⁠​‍​‍​‍⁠​​‍​‍‌‍‌​​‍​‍​⁠‍‍​‍​‍​⁠​‍​⁠​​​⁠​‍​⁠‌‍​⁠​‌​⁠​​​⁠​‌​⁠‍​​‍​‍​‍⁠​​‍​‍‌‍‍​​‍​‍​⁠‍‍​‍​‍‌‍‍​‌‌‌​‌​‍‌‌‍‍‍‌⁠‍​‌‌‌⁠‌‍‍⁠​⁠‍‌​⁠​⁠‌⁠‍​‌‍‌​‌​⁠⁠‌‍‌⁠‌‌​‍‌​⁠‌​⁠​‌​‍​‍‌⁠⁠‌​​