Ma'mar (may Allah have mercy on him) said: It reached me that al-Sha'bi (may Allah have mercy on him) used to play chess, wrap himself in a woman's sheet and let his hair hang down; that was because he was in hiding from al-Hajjaj.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الشهادات / 20924