I've lit the fire. What next?

Hint 1 of 7:

Put a heavy weight on the rectangle of stone that has appeared.

Hint 2 of 7:

Put the barrel on the stone

Hint 3 of 7:

and fill it with sand.

Hint 4 of 7:

Smash the barrel with the club.

Hint 5 of 7:

The sand is in the trunk next to the fireplace

Hint 6 of 7:

Use the wooden shoe to carry the sand.