Hello, I want to know in general how to connect the end of an ~ 1 in. hollow steel tube to a similar tube in a T-joint way, except that this connection has to be flexible, i.e. the angle between the tubes could be anything with two degrees of freedom. Is there an easy way to do this connection with parts from a hardware store? The connected tubes do not have to be continuous with each other or air-tight, because this is not for plumbing or the like - just connected through a joint. Appreciate any suggestion. H.