3 number Bone1Bone of first entity (0 for non-ragdolls)
4 number Bone2Bone of second entity (0 for non-ragdolls)
5 Vector LocalPosCenterposition of the joint, relative to the second entity.
6 number forcelimitAmount of force until it breaks (0 = unbreakable)
7 number torquelimitAmount of torque (rotation speed) until it breaks (0 = unbreakable)
8 number nocollideWhether the entities should be nocollided