so I took the average of the inside diameter and I came up with 5”.
That’s what I ended up doing, and I only picked on you because I read the post of your right above mine.
Also, I’m going to add more kegels, I realized that isn’t enough. The entire routine takes about 75 minutes and I’m liking it so far. Only problem so far is the shaft at the base is sore after all this stretching, jelqing, clamping, and shaving too!