just a suggestion ,try charcoal stick,and use bold strokes,I feel you are being too careful with pencil,also if you are using pencil try soft lead like 2b,3b,upto 6b,
just a suggestion ,try charcoal stick,and use bold strokes,I feel you are being too careful with pencil,also if you are using pencil try soft lead like 2b,3b,upto 6b,