anthropomorphic Male anatomy (Reptiles) {NSFW}

Anonymous #A081
if male kobolds, dragonborns, and lizard folks, or any other species such as Avalis, or any other avians or reptiles that possess a genital slit or cloaca, what sensations would they feel when their penis starts to emerge from its slit or cloaca, like this:

how do they urinate, how sensitive would it be from manual stimulation(masturbation) or Sexual intercourse(sex), where are their testicles located within their abdominal/pelvic cavity:
, what would their penis look like when its exposed from base, Also, do sheaths work the same way when it comes to erections? and can you improve me with references images or links related to this topic.
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