Abstract: A portable, suspendable cot used in rock climbing and the like includes a collapsible frame supporting a webbing therebetween. The frame includes linkages that pivot from a parallel orientation in a closed position to an orthogonal angle (for rectangular frames) or an acute angle (for trapezoidal frames) in an open position. The linkages further comprise couplings that complete the framework and use gravitational forces to enhance the linkages, forming a secure platform that resists warping. Cabling connects the respective linkages and supports the frame so as to be suspendable from a central apex vertically displaced from the frame. The cabling can pass through a free end of the pivoting links to guide the free end to the coupling, and preserve a closed loop for the respective elements of the frame.