This allows for the deepest penetration and the partner on top can ensure the penis stays in for the whole ride by using a grinding or side-to-side motion instead of just moving up and down.
:Clamped? My new way of dealing with a tear is to keep stretching, but not so aggressively.
In such cases, assisted reproductive techniques are available to significantly improve one's chances of conceiving.
Run the ruler or tape measure along the full length of the penis from the base to the tip.