STEP 1:

Make a small cut on the edge of the black glitter glaze bag.

STEP 2:

Starting in the center of the cake, make a small ring of glitter glaze.

STEP 3:

Continue to make rings of glitter glaze until you reach the edge of the cake.

STEP 4:

Use a sharp fondant tool or toothpick and start in the center and drag a line to the outer edge.

STEP 5:

Continue dragging lines around the cake until a spiderweb forms.

STEP 6:

To create drips going down the cake, squeeze the glaze off the edge of the top of the cake.