Abstract: A joining element for connecting together two or more panels is disclosed. The joining element includes at least one strip section; wherein the strip section forms a first part and a second part; wherein the first part and the second part are connected together along a hinge line or area. In addition, the second part includes a connection member designed to engage with a complementary connection member. In one embodiment the connection members comprise a button and an eyelet.

Abstract: A directable sound-absorbing panel comprising a sound-absorbing panel, a fixing member which can be fixed to said sound-absorbing panel, an arm and an articulated joint between said fixing member and said arm, is described. An assembly of directable sound-absorbing panels is also described, said assembly comprising a plurality of sound-absorbing panels, a corresponding plurality of fixing members, a corresponding plurality of arms, a corresponding plurality of articulated joints between each arm and each fixing member, and a fixing bar to which at least a part of said plurality of arms is fixed.