two fairly different use cases

A replaceable eraser sits hidden under the push-cap for quick corrections

and bold outlines

A solid range of secondary tones is achievable through layering

caran dache water reservoir brush pen large Boner two fairly different use casesThe Caran d'Ache Water Reservoir Brush Pen Large is a portable water brush designed for traveling artists, sketchbook illustrators, and mixed media practitioners who need clean water on hand without carrying jars or cups. The clear flexible barrel holds 20ml of water, fed directly into a large synthetic brush tip via a soft touch squeeze valve giving controlled moisture flow for broad background washes, wide format color blending, and fast wet area