A movable joint (100) including: a body (102) having two spaced apertures
(104, 106) connected by an opening (108); two arms (110, 112) having ends
receivable in the apertures; and a resilient connector (114) passing
though the opening (108) to connect the ends of the arms in the
apertures, wherein the resilience of the resilient connector: allows
independent movement of the arms in up to six degrees of freedom which is
controlled by engagement of abutment portions (120) of the arms (110,
112) with respective abutment portions (122) of the apertures (104, 106);
and absorbs force applied to the arms.