How do I put these items together?

Hint 1 of 3:

You need to melt the wax off the mold first.

Hint 2 of 3:

Use the mold/wax on the lighted alcohol lamp.

Hint 3 of 3:

Melt the silver medallion in a crucible on the lamp, then use the mold on
the crucible.  Remove the clay and there's your ear!