CATCollarBone : Matrix3Controller

ctrl = $.TMcontroller--with a collar bone selected, get its controller
--> Controller:CATCollarBone
lmb = ctrl.Limb --get the limb data controller
--> Controller:CATLimbData2
lmb.Hub--this is the hub of the limb the collar bone belongs to:
--> Controller:HubTrans
lmb.NumBones--we can check the number of bones in the limb
--> 2
lmb.Bones--or we can get the array with the bone data controllers of the bones
--> #(Controller:CATBoneData, Controller:CATBoneData)2
slmb = lmb.SymLimb --we can ask for the symmetrical limb on the opposite side
--> Controller:CATLimbData2
slmb.collarBone --and through it we can get the symmetrical collar bone, too!
--> Controller:CATCollarBone