This automatic defense mechanism, which prevents ripping and tearing, is known as the myotatic, or stretch, reflex.
To expand the vaginal opening as much as possible and prevent tearing before I do the episiotomy.
This requires a heavy net fabric such as sailcloth to prevent tearing, although light nets can be used if swept less vigorously.
Being a muscle intended for strenuous work, they are usually warmed up by smaller muscles called limbers, to prevent tearing and damage.
They applied pressure to the perineum to prevent tearing.
A very big table and a long roller are used, with continual flouring between layers to prevent tearing.
Among other changes, the heel and sidewalls of the shoe were redesigned to prevent tearing.
Sometimes a topical anesthetic is placed into the eye before the filter paper to prevent tearing due to the irritation from the paper.
The top the roll has a fine and slightly curved incision, which is designed to prevent tearing during the baking process.
I honestly believe it prevented tearing and eased labor.