It sure looks like the normal range of balls being low or tight or popping in is a much bigger range than the tight views of some help services allow. After noticing zillions of sizes and lengths of balls and scrotums in locker rooms, I wondered, when viewing mine in a great range of sex play, how all those other ones would perform when aroused.

Doing some web surfing, the scrot tightens up and your balls pull up when you are surprised or fearful or aroused partly for safety and partly because the little guys are keeping close out of the way. Now, speaking from personal experience, the more aroused I become the tighter they pull up. Having exercised them to go in and out for personal play as a kid, they don't feel so funny anymore being here or there or hanging low. They sneak up tight and head toward the base of my dick on a straight path toward each side of the shaft where, at max arousal, they seem to notch in on each side like keys holding a driveshaft in place. Snug!

Normal arousal from ic or whacking usually just brings the left one up just inside but not tight, and it can easily flip in or out. Righty seems to not be as anxious to pull up. But when laying my hand over the package, thumb across the throat of my dick and fingers cross the scrotum and vibrating the hand with a few pressing strokes on the urethra area, I can really get them all tight up. Pounding with them tight really lights up the senses and continuing to rub warms the whole body.

Sure, if you have a problem with them staying hidden lots, the temperatures will lower your sperm count, but I haven't been counting or planning any family additions, and they only snug up when the game is on.

Let me know if this gives any ideas.