Does the burr hold the ink in a dry point print

The deepest drypoint lines leave enough burr on either side of them that they prevent the paper from pushing down into the center of the stroke, creating a feathery black line with a fine, white center. A lighter line may have no burr at all, creating a very fine line in the final print by holding very little ink.

giovanni battista pergolesi, italian baroque composer who wrote one of the most famous settings of the stabat mater. don lorenzo perosi, catholic priest and director of the sistine choir under five popes.

i think this is true