The shoulder holder is a more ambitious version of missionary position. When in this position, the receiver lies on their back and raises their legs as high as they can, resting them both on one of their partner's shoulders. The giver then kneels in front and enters their partner, holding the lower legs in place. This is a variation of the G-whiz, or anvil, position.
More About The Shoulder Holder Position
The shoulder holder requires some flexibility on the part of the receiver to hold their legs in that position.
If they are person with a g-spot, it is an excellent position for that stimulation. Steadily and gently stimulating this spot on the anterior wall of the vagina while stimulating the clitoris can result in intense orgasms.
G-spot stimulation can even bring about squirting orgasms in some people.