Churner :
This is a long handled gadget. A long cylindric handle has a flower shaped contraption at the base. It is held vertically in the vessels and rotated in place with both palms holding the handle and churning back and forth. Use to make buttermilk, smoothen batters for malpua, etc.
Rolling Pin & Board :
Both usually come in wood, and use for rolling anything from chapathis to pie bases, doughs, etc. One can roll almost used up tubes of toothpaste, ointments, etc. to bring all the leftover contents towards the mouth, and use it to the maximum. Take care to keep the cap on while rolling.
Cutting Board :
This may be of wood, ceramic, or other heavy duty plastic, and is used for not only chopping vegetables, but for bruising garlic, ginger, etc.