What's the name of the brush in the study?

Brush also has the following titles: 1 The second tube. Tongguan 3. The fourth tube. Maoying 5. Guanchengzi 6. Guancheng Hou 7. Zhongshujun 8. Hair awl 9. Awl 10. Mm 1. Mm 12. Mm cone 65438. 17. Langham House 18. Double brush 19. Long beard 20. Rabbit beard 2 1. Canopy 22 Linjiaoguan 23. Chicken distance 24. Deer hair 25. Rat beard 26 Lin Jiao 27. Pei A 28 Changhua 29. Hu Ying 30. Same as Peninsula