24 hours, text Martin Bernard, image: Philippe Maeder
Olivier Grieb is one of the four active arc factors in French-speaking Switzerland. He makes custom models with local wood. Thirty to fifty hours of work are needed for Olivier Grieb to make a bow in his workshop in La Sarraz, a room in the former Filature factory.
https://www.24heures.ch/vaud-regions/la-cote/homme-insuffle-arcs/story/1592811319 December 2017