balljoint shoulder {
	offset 0 0.5 0
	boxmin -0.05 -0.5 -0.05
	boxmax 0.05 0.0 0.05
	pose 0 0 0
	balljoint elbow {
		offset 0 -0.5 0
		boxmin -0.05 -0.5 -0.05
		boxmax 0.05 0.0 0.05
		pose 0 0 1
	}
}