1. Tape aluminum discs one at a time to bench block at top edge.
2. Using the metal stamps, stamp “DAD ROCKS” on dog tag blank and kid’s names on round and heart blanks.
3. Darken imprints with Sharpie Marker and remove excess with polishing cloth.
4. Punch hole at top of discs.
5. Open jump ring, attach to discs and close on key ring.