Where can you purchase a mug with a hole through it like Seeley Booth uses on Bones?

You can purchase a mug with a hole through it, similar to the one used by Seeley Booth in "Bones," from various online retailers such as Amazon or Etsy. Additionally, specialty stores that sell novelty or unique kitchenware may carry similar items. For a more customized option, you could also consider checking out local pottery shops or online custom pottery services.