The pain of the small cage and a plug that was 2 sizes bigger than you were used to was almost too much, but the pure pleasure you were feeling from the rush of arousal was enough to keep you going forward with your training.
Is This Cage a Good Fit? ... I find it odd that my balls get so dark, even though I can get two of my fingers through the base ring and if I pull/manuever the base ring my balls can even gently slip out.