Surah Al-Falaq 113:4
وَمِن شَرِّ ٱلنَّفَّـٰثَـٰتِ فِى ٱلْعُقَدِ
And from the evil of the blowers in knots
Translation: Saheeh International
Tafsir
and from the evil of the women-blowers sorceresses who blow on knots which they knot into strings blowing into them certain words but without spittle; however al-Zamakhsharī says ‘with this spittle’ — sorceresses such as the daughters of the said Labīd —
Excerpt from Tafsir al-Jalalayn, commentary on 113:4, via Quran.com. The reader has the full commentary and 9 more tafsirs.