Valgon Rings? Snake oil or useful?
Under the category of: Someone actually spent $$ to get a patent on this? That’s where you’ll find, or not, the Valgon Rings™ (yup, trademarked …
Under the category of: Someone actually spent $$ to get a patent on this? That’s where you’ll find, or not, the Valgon Rings™ (yup, trademarked …