Home / Forums / Melodica construction, repair and maintenance / Tubes — some experiments / Reply To: Tubes — some experiments Reply To: Tubes — some experiments February 18, 2020 at 11:26 pm #11196 ClepParticipant Yeah this stuff doesn’t seem to kink too easily… the walls are pretty thick. And I think one bonus of the techflex is that it helps a little with that as well.