alexb11111,
Half way between Figure 1 and Figure 3 with a touch of figure 4 looks good to me but you’ve got to go with what you can get working for you. I like the idea of flattening as much of the shaft against the can/jar or whatever as possible. I’ve just measured two of the containers I used and they have a circumference of 8 1/4” (21 cm) and 9 1/8” (23.1 cm) respectively. You need to leave a little excess to allow for grip without moving away from the container too much, I guess.
manav219,
>People say that you should use your arms and abdomen muscle to properly do V-stretch, but m still not able to get how to do it.for me it’s just stretching over the bottle using hand..<
Antistar has it. This is how I did it, but you should find something that works for you.
1. Wrap some t-shirt offcut over, around and behind glans to prevent over expansion from grip.
2. Create an overhand OK grip just behind the glans. With the wrist, arm and hand almost vertically in line.
3. Holding the arm and wrist straight, elbow facing outward, and twisting the body forward on the same side as the grip arm; lean forward, easing into the stretch, using the shoulder muscles as the main force delivery mechanism, and the abdominal muscles to twist the body to provide the force straight down.
Your pics show the wrist almost horizontal, try vertical to see how that encourages a change in body positioning.
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