tortillon
blending stump

A blending stump is similar to a tortillon but is longer, more tightly wrapped, and pointed at both ends.

A variant that is not as tightly packed and has a hollow core is called tortillon.

On some special occasions a tortillon was used in conjunction with the ladder which would severely squeeze and mutilate the genitals at the same time as the stretching was occurring.

A blending stump is similar to a tortillon but is longer, more tightly wrapped, and pointed at both ends.

For shading and blending, the artist can use a blending stump, tissue, a kneaded eraser, a fingertip, or any combination of them.