https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14008188
A bathing room attendant applying the method of cupping to a male customer in an active bathing house. Engraving by J.C. Weigel.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use