How to brew TERERE

Is the traditional way to brew yerba mate, it's an instant Cold brew.
Very subtle in flavor, refreshing for a hot summer day.
1- Fill 2/3 of the mate cup or guampa             
2- Shake it lightly, letting the yerba mate rest a 45 angle.
3- Place the straw in the mate cup. 
4- Start pouring Iced water and sipping terere! 
For the cold water you can use a pitcher at home or a vacuum flask on the go. 
Add some slices of lemon in the pitcher for an extra refreshing flavor
If you are in charge of preparing the mate, you are called the cebador. You are going to drink the first sip. Keep pouring water and sipping by yourself or pass it around to friends and family.