My brother went to a tattoo shop in Dallas and paid for a tattoo to be placed on his arm. He paid the shop $500. The artist designed and inked the tattoo. He told my brother that he would have to come back after it healed to have it filled in completely. So, when my brother went back to the shop, he was told that the artist who had worked on him was now living in Miami. My brother asked if anyone else could finish the shading and there was quite a few guys who volunteered, for an extra 400 dollars. You see, the shop said that they only rented the seat to the artist, and the contract was between my brother and the artist, not the shop. They felt no obligation at all to finish the job. What recourse does he have?