Hi Chols...
>     I've recently come back to Judo after some time off due to change of
> residence and a hard time at work. I am now at the Bushidokwai club here
in
> Madrid, Spain. These people train very differently to what I was used to.
> For instance, they do A LOT of ne waza, and this has given me the
> opportunity to practice some techniques that I didn't quite master when I
> should have. So, here comes a little question for you.

I will try to help you. Sankaku is my favourite choke.

>     It seem to be impossible for me to choke or even immobilize anyone
using
> Shangaku (Shankaku?) gatame technique. I think the approach I take is
> correct. When my opponent adopts a defensive face down position in ne
waza,
> I pull him towards me and then "insert" one foot between his body and one
> arm, and insert the knee of my other leg beside his neck trying to make a
> triangle hold. The problem is that when I roll to the side (I tried both
> sides) I find my leg is not quite controlling his neck, so the legs have a
> difficult time coming together. What am I doing wrong? Can someone please
> describe this hold/choke to me? Thank you very much.

The timing of the movement is very important. When you insert your left foot
between his boby and arm, you have to be sure your heel (tal