They could sign their names and then all we have to do is trace over with black embroidery. Oh I would set my embroidery floss with hot vinegar water before using it...
Just finished a red-work design for a swap... the blanked color bled and ruined two months work... when I washed the block to remove the template pencil ink (it was pink and some places showed)...now I have to start back at square one for this person's block!