Exploration of marks and lines in Indian ink

This exploration of marks and lines in Indian ink includes

fountain pen at different speeds and with different sides of the nib, a blunt metal tool, brushes of different thicknesses and shapes, a roller, a comb spatula, a pencil end, and, finally, the lid of the ink pot.

Fountain pen, normal speed
Fountain pen, very slow
Fountain pen, fast with very little ink
Fountain pen, reverse of nib
Blunt metal tool
Blunt metal tool with less ink
Thick paint brush
Thin paint brush
Thin paint brush, less ink
Thick paint brush on side
Rubber roller
Rubber roller, less ink
Comb spatula
Blunt end of spatula
End of a pencil
Lid of ink pot