As with all potential unlawful behavior associated with the use of these tools I accept no legal responsibility for your actions or the digestion or use of this information.
This is my first Instructable PLEASE COMMENT and tell me what you think.
Step 1: Gather Your Supplies...
1. Small hinged tin (Altoids work well)
2. Tin snips (Scissors may work)
4. File (Optional)
5. Keys (from unsuspecting mark)
Step 2: Construction...
Cut a notch in the tin to allow the key to be placed into the tin.
Work the clay into the tin bottom and lid.