The "always show team equipment" feature is very useful. It allows for the equipment of your teammates to always be displayed above their head (even when out of spawn). This has two big benefits: you will always know where your teammates are, as their equipment will be displayed through walls, and you will also know what grenades and weapons your teammates have, so you don't have to ask them or guess.

To enable "always show equipment", type this command into your developer console:

If you want to hide the equipment HUD from above the heads of your teammates, you can disable this feature with this command: