Background When I started learning about confined space rescue I was shown a technique using a mechanical advantage system called the “Inchworm Technique.” This technique, shown on that course, used a pre-built 4:1 mechanical advantage system on 12.5mm static kernmantle rope. The rescuer would take the system into the space and use it to pull a patient horizontally. It could be rigged to a temporary anchor in the space, a remote anchor extended into the space (rope), or the r