Skewer, toothpick, or floral wire
To make a duct tape rose:
Step 1: Tear your tape into strips.
Step 2: Fold the right corner over stopping short of the left edge.
Step 3: Fold the left corner over to meet the right.
Step 4: Wrap your petal around the stem.
This is what your first petal will look like.
Step 5: Continue wrapping the petals around each other.
Add petals until you reach your desired fullness.