A piece of furniture includes: a first and a second resilient section (100A, 100B) mutually displaced from each other forming a gap (G) there between; a cross-member (200) configured to connect with the first section and the second section thereby bridging the gap; and a first and a second joint arrangement (300A, 300B) configured to attach the cross-member to the first and second section, respectively; wherein each of the first and second joint arrangements comprises a pair of: a male part (320) formed by a dowel (321) extending in a longitudinal direction and having a free end (322) facing away from a surface (101A, 101B) of the respective section or away from the surface of the cross-member; and a female part (330) formed by a recess (331) in the surface of the cross-member or in the surface of the respective section, the recess having a recess extent with an insertion portion (332), an intermediate portion (333), and a locking portion (335); wherein as the respective dowel passes a section biasing portion (334) in the intermediate portion, the first and second sections are resiliently displaced and as the dowel reaches the locking portion the sections are relaxed.