"I enjoy playing with the Efel violin shoulder rests very much. They are flexible and through that very comfortable to perform with. The sound quality improves in terms of resonances and overtones compared to all other shoulder rests I know. It is my pleasure to recommend them!"

"The shoulder rests arrived yesterday, thank you very much. I think the extension on both ends offer an even bigger variety of adjustments, also on the viola. For me the most astonishing: It certainly makes a significant difference in sound quality for the instrument, I would not have expected that. So I am very convinced!"

"My viola students (and myself) love your shoulder rests! I just ordered 4 more - 2 regular and 2 extended."

"I have been very pleased with my Basic+ since then; the amazing (best) tonal quality, the great (best) support, at the same time the lightweight and flexibility, and the full adaptable frame together are really unique and great features in a single shoulder rest. Another important thing is that the Efel rest doesn't damage the varnish (like Kun and all Kun-type rests used to do)."

"I received the shoulder rest today and I am SO HAPPY! It exceeds every hope I had. It's much lighter weight than I thought from the pictures, and the adjusting possibilities are literally endless. I am using a 4/4 violin size on my 15" viola because I am short framed and I like to have the shoulderrest close to the end pin, and I want to be able to bend the shoulderrest so that it is exactly high enough to not harm my collarbone yet low enough to play comfortably. The Efel stays in place wonderfully. Thanks for inventing this! I will spread the word whenever I can."