Swelling in testicular supportive structure

Greetings,

During my nocturnals, I awaken and check myself for safety sake to find the supportive structures of my testicle/s are a bit swollen. No real pain or discomfort, no discoloration. If I adjust the cage to get the testicle hanging as straight down as possible the swelling quickly reduces. I notice it gets worse of I wear the strap at night.

I trialed a smaller base ring and noticed this happened after about 2 hours while awake, so I think I just need more space between the base ring and the cage. I'm pretty large (4.5-5 flaccid and 8-8.25 hard) so cage options that are concealable are very limited.

Thoughts?