Hello everyone,
What do you do with these objects: 1) a coaster, 2) an oven mitt or a pot holder, and 3) a trivet or a place mat ?

À quoi sert ces objets : 1) a coaster (un sous-verre), 2) an oven mitt ou a pot holder (une manique), et 3) a trivet ou a place mat (un dessous-de-plat) ?
I look forward to reading your answers.
Best,
Tessa