So pleased to see Tsuikomi Goshi demonstrated correctly. This was part of my Tokui waza. The entry on the right foot perfect and is the only way to get the hips through far enough. I also did this with Ogosi. So many coaches teach this with a left foot entry, thus not giving enough hip displacement. You must also throw your hips way out to the side, she gives a perfect example of this. You also need to bend your knees as to block the throw you need to drop your weight, so when this happened I would drop on to my left knee (for the left hand throw) load Uki on my back, start to stand and drive like a drop Kata Guruma (pre rule change). Anyway if you follow her example you won't go far wrong.
I have the problem that i can't push out my opponent's right arm easily when graps my left shoulder very hard.....then i can't make any left sided entery