Side-by-side video: A shirtless young man with a slim build in boxer briefs is measured by a muscular man in a black shirt; another shirtless man in a white lab coat measures a similarly built man in gray shorts.

Video of two naked, slender men, one with a circumcised penis, in a clinical room with a white wall and a medical bed, while a man in a light blue shirt watches.

Video of three nude men in a white room; one is on a massage table, another kneels beside, and the third stands behind, massaging.

Video of two men in a modern, minimalist room: one adjusting the other's shoes, both wearing casual attire. Background includes a sunflower arrangement, a black bookshelf, and a small pool.

Video of two young, nude, Latino men with small to medium penises, one standing, the other leaning against a blue curtain in a dimly lit room.

Video of three nude, young Asian men in a clinic, one with an erect penis, standing in front of a blue curtain.

Video of four young South Asian men in casual attire, two wearing shorts and two in T-shirts, gathered around a laptop in a modern, minimalist room with a pool.

Video of three shirtless men in black shorts standing in a modern, minimalist room with a pool. One is sitting at a desk, another is wearing a backward red cap, and the third is near the pool.

Video of two young men in casual attire in a modern kitchen. One is adjusting his jeans, the other is shirtless with a tattoo.