The String Centre Teka Violin Chinrest Ebony Regular Height Teka Violin Chinrest Ebony Regular Height The Teka chin rest is moderately high and the cup slopes upward to the left For viola application, you must also purchase viola hardware clamp 464332 and exchange threaded barrels for the barrels that come with the violin model The Teka chin rest is moderately high and the cup slopes upward to the left For viola application, you must also purchase viola hardware clamp 464332 and exchange threaded barrels for the barrels that come with the violin model