A mass inside the scrotum. If a varicocele is huge ample, a mass like a "bag of worms" could possibly be seen above the testicle. A smaller varicocele could be far too compact to see but visible by touch. Repeating a specific motion day following day might irritate the sheath https://www.sgvascularctr.com/what-are-veins-and-why-should-i-know-about-them/