What is the ruling on selling headscarves (a cover placed on the head) to women who display their adornment?

The questioner : Shaykh, may Allah bless you, what is the ruling on one who sells the headscarf that is placed on the head, O Shaykh, knowing that selling the headscarf is not forbidden to women who go out wearing it while being clothed yet naked, as well as other clothes, and he sees the woman who buys it as being clothed yet naked, clothed yet naked?

The Shaykh : I think the answer to this question is clearly understood from what has come before, but the matter may require some clarification. The thing that is sold, such as the headscarf mentioned in the question, may be used in what is permissible and may be used in what is forbidden. Here, the matter is looked at from two perspectives. The first is if the predominant use of the item being sold, whether it is the headscarf or otherwise, is that it is used in what Allah has forbidden, then its sale is forbidden. And if the predominant use is in what Allah has permitted, then its sale is lawful. This is the first perspective. The second perspective looks at the item being sold to the person to whom it is sold, using the same previous system. If it is predominant for the seller that this buyer will use it for this need in what Allah has forbidden her, then selling it to her is forbidden; otherwise, it is lawful. This detail is necessary so that a person does not fall into what Allah has forbidden under the name of it being lawful, or the exact opposite.