A youngster insists of keeping long shoulderlength hair.

Answer

Keeping long hair is about the only Sunnat known to many youngsters. They have no awareness of other Sunnat acts nor of haraam acts. Advise the youngster to inculcate in him all the acts of the Sunnah in every sphere of his life, and that he should become addicted to permanent Thikrullaah. After he has attained a high level of Taqwa, if he still desires long hair, and that too after marriage, then he may keep neat long hair. But currently it is not permissible for him to keep such hair under pretext of it being Sunnah. His idea is a trick of the nafs and a snare of Iblees.

of debarring Muslims from the Musjid even on Jumuah at about 12. They should explain.