Examples:
All known examples are listed below.
Holzkrummhorn 8', Oberwerk; Dom, Würzburg, Germany; Klais 1968. Mahogany.
Holzkrummhorn 8', Unterwerk; Münster, Bonn, Germany; Klais 1982.
Holzkrummhorn 8, Brustwerk; United Church of Christ Congregational, Ames, Iowa, USA; Kney 1972.