D4 Portaledge Update March 24, 2017 Exciting things are happening in the continuing development of the D4 production Portaledge. First, the ledge has been wall-tested by its inventor, John Middendorf, on Ozymandias--Australia's iconic big wall in Mt. Buffalo--see the
D4 Portaledge
D4 Portaledge
D4 Portaledge
D4 Portaledge Update March 24, 2017 Exciting things are happening in the continuing development of the D4 production Portaledge. First, the ledge has been wall-tested by its inventor, John Middendorf, on Ozymandias--Australia's iconic big wall in Mt. Buffalo--see the