aikikai

http://www.tre-pfullingen.de/html/sirius_e.html I have one and its in my opinion easier to handle than a Reverso on belaying both from the harness and off the anchors. Ive used it on mp rappels with my beal cobra 8.6 mm ropes as well as my 10.2 lanex althea magic ..works like a charm.. its somewhat more popular here in europe than in the us i guess