Multi-choice problem: Choose from the options at the end, and answer how do you do this: To etch a design into a glass jar

Choose your answer from:
a). Using a clean jar place your stencil sticky side down on the jar. Use tape to cover up the spots you don't want to be etched around the stencil. Brush face cream onto the surface of the jar around the stencil and let sit for 3 to 5 minutes. Wash off.;
b). Using a clean jar place your stencil sticky side down on the jar. Use tape to cover up the spots you don't want to be etched around the stencil. Brush etching cream onto the surface of the jar around the stencil and let sit for 3 to 5 minutes. Wash off.;
b).