Silver Nitrate, applied via long wooden matchstick type applicators, was a popular choice for cautery by modification practitioners back in the 1980s/90s for less invasive procedures like meatotomy and clitoral hood splitting. While cutting lower down the shaft might require a more surgical approach, complete with sutures, opening the urethra (usually to a healed Prince Albert piercing hole that acted as an anchor) was an in-and-out procedure that could be done practically blood-free.
The nitrate was moistened with distilled water and rolled onto the edges of cut open tissue, causing a light chemical burn that helped to keep the tissue from reopening; as a side effect the patient was left with a blackish stain on the affected area that would usually only last for a week or so.
This photo from 1992 features a healing meatotomy with silver nitrate stains. Continue reading