Don't feel like hauling an MPD and 11m ropes on your back for mountain rescue? Then you're probably thinking about component based systems. But just throwing a few devices together does not create a safe rescue belay. Here are some design considerations for improvised lightweight rescue systems.
Good overview of the British Columbia Council for Technical Rescue (BCCTR) standards including the Belay Competency Drop Test Method (BCDTM)
rigginglabacad...
VT Prusik for Rescue
riggingforresc...
The VAST body of knowledge on friction hitches in rescue:
sarrr.weebly.c...
Lots of lightweight rescue system information:
ratsar.org/wp-...
Technical Rescue Rigger's Guide, 4th ed.
www.conterra-i...
Real world testing on toothed cam devices:
www.hownot2.in...