Although I call this device "the wish bone" because of its look, but it's really called the 'Clean and Jerk'.
It can be used for Olympic movements, vertical pressing, pulling, etc. Here I am using it to do kneeling over head presses. On one knee I have to stabilize my body upright and press over head. Can't cheat because you can't use your legs. Great exercise for a great device. (Get one HERE at Pur Motion)