The lives of 19th century women are known to us today mainly through their letters and writing, but also through the then new (black-and-white) portrait photography, and the vivid paintings, pastels and watercolours of impressionist artists.
Consent is conditional by design, it requires specific circumstances and/or conditions to be maintained continuously. The introduction of money or some material good as a requisite condition does not negate this basic fact.
Whether you’re a sex worker who’d love to specialise in BDSM or an enthusiast hoping to monetise your skills, there’s a steep learning curve when it comes to mastering the breadth of knowledge required for a career in professional BDSM.