Steps
STEP 1
Securely fasten or clamp your bottle opener to your workspace.
Materials
Metal Bottle Opener
STEP 2
Draw your design onto printer paper, and tape to bottle opener with transfer paper underneath. Trace over design with pencil, then remove both papers from mug.
Materials
Metal Bottle Opener, Printer Paper, Transfer Paper, Pencil, Tape
STEP 3
Etch your design onto the mug using your rotary tool and the ball engraving bit.
Tools
Rotary Tool
Materials
Metal Bottle Opener