If you are looking at this from a photography or modeling perspective, consider these "classic" standards:

The "mature" aesthetic typically favors specific types of hosiery that benefit from this presentation:

: The "thumb-hook" should be light. Pulling too hard can distort the knit of the hosiery or cause "sausage-ing" at the waistline.

: Anatomically, placing the thumbs at the hip or thigh creates a triangular shape with the arms, which is a classic "power pose" that defines the waist and elongates the torso. Styling and Aesthetics

: Side-lighting is best to catch the subtle shimmer (denier) of the pantyhose when the fabric is being manipulated.