He watches with extreme interest as Caboose disrobes, his eyes grazing over the arch of his spine, the fine curves of his rear. He would never get tired of a sight like that, a night where he did not welcome it. His tongue darted across his lips as he lay back into the cushions, smirking when he saw the ears engage and perk forward. He had never expected them to become as delightful to him as they had, but there was always something terribly erotic about watching your lover's ears give you very visual signals of the amount of pleasure they were in. The neural feedback they gave was an extra bonus, giving him a whole new place to scratch Caboose to get him going.

"Of course, kitten," he murmured, sitting up and reaching out to take the collar.

It was made of fine Italian leather, still smelling like new but then Kirk always took care to clean it when they finished playing. A crystal bell was attached to the front, jingling quietly as he wrapped it around Caboose's throat and secured the silver clasp. The position meant he was bent down close to Caboose's ear, and he took the opportunity to blow on one black ear from between pursed lips.

"There we go."