I’m curious what people consider some of the most powerful pieces of util, especially ones that are under utilized? I feel like for me I should be using brim molly a lot more, especially for clearing corners.

So as the title says I absolutely suck at this game. So much that it's not even funny. I used to play TF2 when I was like 10 and have 300 hours or more in it. Then I switched to CS and I have 1200 hours in it and I like to think I'm pretty...