In reply to sjc:
in a japanese climbing museum once i saw a thing some japanese had taken to the alps in the 1890s and caused a stir.
it was a long (+/- 5m) wooden pole with a brass ring at one end and a brass pointy section at the base. apparently you threaded a rope thru it and leant it against the rock then climbed, belayed thru the brass ring. keep moving it up pitch by pitch.
didnt look too light, so manybe your modern version will debug the problems.