Half Ezekiel Choke from Half Guard (or Mount)

* i place the same side eblow on the ground as my free knee.

* i want to give uke the impression that he can take my back.

* i grab his collar with my thumb inside.

* i squeeze like a regular choke (not extend like an ezekiel).

* important: my arm that goes behind his neck rests on the lower part of the back of his head (not his neck) so during the choke, his head is coming towards me.