The tattoo shall be placed either on the upper inner lip or inside upper left rear thigh of the dog. (animallaw.info)
The origins and insertions of the erector spinae span the thoracic and lumbar regions of the spine, and have attachment sites on individual vertebrae at spinal processes, the medial crest of the sacrum, and inner lip of the posterior iliac crest, as well as some fibers being continuous with the origin of the gluteus maximus (Carvalhais et al. 2013). (strengthandconditioningresearch.com)
I am using the baking soda with water method as explained above, I wrap my finger on a medical cloth and swipe her tongue, cheeks and inner lips very lightly since she had a couple and looks a lot better in 3 days. (wikihow.com)