Like I said above, I appreciate everybody taking the time to reply. The ideal would be a video, like the one comparing the Level III and the candidate along with a description of movements and timing required like you gave for the pivot slip.
I'll give it a try. I'll do it the same way I did with the pivot slip as you've requested. This description is for a flex-to-release short turn.
@François Pugh, there are shorter descriptions upthread. This is going to be ridiculously long, because I think you are disappointed in shorter versions already given. Let me know if this fits the request.
All of the following assumes east coast snow.
I am sure there are differences of opinion which will crop up if anyone actually reads all these words
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Your comments in red, mine in black. I'm going to use a lot of words and get redundant. Here goes.
-flex legs Nope, not exactly. Flex downhill, new inside leg, more than it currently is, to release the current turn and start the new one. Ignore the new outside leg; leave it short as it currently is. Focus only on the new inside leg (downhill leg). If you are used to flexing both legs, flexing only one will feel quite different.
-you didn't say anything about rotating or pivoting rotate that new inside leg, (a) When we are talking about a skidded turn, not a carved nor brushed-carve turn, you point the knee/thigh in the new turn's direction - without rotating the pelvis above it. The pivot point of the thigh is up at the top of the femur. Eventually you will run out of ROM at the hip joint as you rotate the ski, so the rotating ski may pull the pelvis into rotation. You can choose to allow this or not, depending on the turn radius you want. (b) If you are making a carved turn or a brush-carve, don't do any thigh rotation at all. (c) Difficulties people run into: not doing thigh rotation is hard for skiers who can and habitually use it. They have trouble learning to carve or brush-carve their short turns. For skiers who rotate the pelvis in order to drag both skis around, not doing any rotation is quite difficult to learn.
-transfer weight to new outside ski focussed on (what part of foot/ski) Nope, no active "transfer" is needed if you are doing a flexion release. It transfers on its own, due to forces in the turn. PMTS goes deeply into how to do a flex-to-release turn that delays the transfer to the outside ski, a "weighted release." A fast flexion will lighten that ski. A slow flexion will allow the body above to drop slowly over that new inside ski and "weight" will remain on it for a bit of time into the turn, thus "weighted release." But "weight" still moves to the outside ski as the turn progresses. Extend it to keep it on the snow, no more. (Maybe someone highly versed in a weighted release can say more.) Otherwise, the flexion lightens the new inside ski and that "weight" moves to the outside ski immediately without you doing anything in addition to the flexion.
-pull new inside ski back Yep. Slide that new inside foot/ski back along its length a bit as you flex that leg. These two go together. This slide relieves pressure under that ski's tail, and keeps its tip down on the snow. You can even lift the tail. Do not allow the new inside half of the pelvis to pull-back. Keep the pelvis out of this. The pull-back happens in the leg only, starting at the foot. Do this for either a skidded turn or a carved/brush-carved turn.
-drive new outside ski forward (?) No way. Leave the new outside ski/foot/leg to follow what you are telling the new inside ski/foot/leg to do; your focus is on the new inside half only (ski/foot/leg/pelvis/shoulder/arm/hand).
-tip skis (just so, how?) Tip new inside foot to its little toe edge inside its boot. Some prefer to raise the arch. Ignore the new outside foot. This is a very small ROM movement. It will tip the ski when the boot fits well. For extra tipping, you can in addition tilt the lower leg above that ankle. This results in the bowlegged look. In other words, roll the new inside knee outward. It all happens with the new inside foot and lower leg, for skidded turns and for carved/brush-carved turns. For longish carved turns, tipping at the ankle may be enough. For short/super short turns you'll need to recruit tilting that lower leg by going bow-legged. For even shorter turns, thinking bumps here, you'll need to rotate the thigh. The pelvis may get dragged into a bit of rotation by the foot and leg work once the turn starts because of lack of ROM, but it does not play an active, leadership role. It follows what you do with the inside without any need to focus on it. Really.
-you didn't say anything about the tilt of the pelvis and torso above it Keep the inside half of your pelvis high and forward, and along with it the shoulder and inside arm/hand. For super-shorts, keep the torso literally vertical.
-you didn't say anything about where the feet are laterally beneath the torso Focus on flexing that new inside leg and tipping that new inside foot/ski and pulling it back along the length of the ski. In addition, focus on keeping that foot under the pelvis above it. Do not send it outward, laterally. This should result in both feet staying as much under your torso as possible. For your run-of-the-mill short turn you don't focus on sending the feet out, you focus on tipping more and keeping the feet in. Yes, there are reaching short radius turns with foot-squirt but I'm not focusing on those.
-move hand (which hand when, where) Nope. Maintain constant "quiet" hand position; hands don't move except when required to get the pole to touch the snow. Hands may need to go a little up and down. Pole tap happens beside new inside foot, not ahead of it. Skiers who are used to moving hand forward and tapping ahead of the foot will have difficulty learning this. Skiers used to swinging arms will have difficulty learning to keep that hand in its "home base" position after the pole tap; keeping it there may require "driving the hand and shoulder forward" (and "up" if they are used to dropping it as well) at first.
-shift balance (as turn progresses) Nope. Balance shifts on its own to the new outside ski. Rate of shift depends on whether you are doing a weighted release or not. Normally it shifts with the flexion because that removes pressure/weight under the new inside ski and it has to go somewhere. No movements are necessary for this transfer beyond the flexion. Rate of flexion determines how fast weight/balance transfers.
-all the steps to release into next SR turn, etc. Do everything in the other direction.