Testicle Bruise?

Has anyone ever experienced pain in one ball after a session that included BTC stretches?
It’s achy and tender to the touch. Been bothering me for 24 hrs.

Would normal squeezes or below the head squeezes ever cause this?


Starting BPEL 6 3/4" x EG 5 3/8"

Working on 10% increase :<]

Current BPEL 7 1/16" x EG 5 1/2"