By chocker think the context is more aligned with using of strap or chain wrapped around something that tightens as you pull on the cable.
Typically used for moving round objects like logs and pipes.
Like a noose.
The Counterinsurgency Guide was issued by the State Dept Bureau of Political-Military Affairs (Jan 2009, 67 pg file). Basically a training guide on COIN for the diplomatic service staff. Also recommend reading it.
After learning the terminology and processes in the Counterinsurgency Guide, can also read the detailed followup
Counterinsugency Operations manual
put out by the Joint Chiefs of Staff. Basically the training manual for officers attending "War College" classes. This is a 249 pg pdf and issued Oct 2009.
Counterinsurgency Operations JP 3-24
Joint Chiefs of Staff, Joint Publication 3-24, Oct 5 2009, 249 pg pdf
https://fas.org/irp/doddir/dod/jp3_24-2009.pdf