The people used to pray with the Prophet ﷺ with their lower garments tied around their necks because of their small size, so the women were told not to raise their heads until the men had settled into a seated position.
حدثنا محمد بن كثير أخبرنا سفيان عن أبي حازم
كان الناس يصلون مع النبي ﷺ وهم عاقدو أزرهم من الصغر على رقابهم فقيل للنساء لا ترفعن رءوسكن حتى يستوي الرجال جلوسا