This disorder is associated with several vascular, neurological, and skeletal problems including stroke, heart attack, clotting, mental retardation, eye abnormalities, and osteoporosis, amongst many other complications.
Tattoo tipping etiquette, in general, should hover around 15% for small tattoos and 20% for larger tattoos, but as with all tips, you as a customer ultimately determine the amount based on the quality of service and the work performed. Consider your involvement as well.
1 Some tattooists charge 10 percent to 25 percent extra for work on a part of the body that is more difficult, such as the lower back. 2  And some artists will charge extra for custom designs, but it is more common to ask for a deposit of about $50.