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On the basis of the original 7mm ring, Teacher Adu added an additional ring of 8.5mm imported liquid joint silicone beads, forming a dual-ring progressive structure with 7mm in the front and 8.5mm in the back.

The first ring is 7mm, fitting closely around the glans, and the second ring is 8.5mm, sitting right behind it. Both rings are full and neatly positioned, with a clearly enhanced sense of layering.

Compared to 7mm, 8.5mm is only 1.5mm larger in diameter, but the volume difference is significant: calculating by the volume of a single bead, a 7mm bead is about 180 cubic millimeters, while an 8.5mm bead is about 322 cubic millimeters, meaning the volume of each bead is nearly 80% larger. When laid in a circle at the back, the overall thickness and fullness will noticeably jump up a notch, rather than just feeling 'a little bigger.'

The 7mm front ring wraps and gently scrapes close to the glans, while the rear 8.5mm creates a higher and fuller bulge. Penetration provides stronger pressure and fullness, and the height difference between two rounds creates stepped friction on the vaginal walls, significantly increasing stimulation area and intensity, making it easier for the partner to feel the pleasure of being stretched and scraped.

Structural upgrade: the original 7mm bead is retained, and a new 8.5mm rear bead is added, with a significant increase in volume.

Function enhancement: Dual-ring progressive design increases the sense of fullness and scraping layers.

Later expectations: After full recovery, the particle contours will be clearer, and practical performance will improve further.

Once a man becomes bigger, thicker, and stronger, it's easy to get carried away and want to be even stronger. But the size of the beads must be rational; bigger is not always better—making the woman comfortable should come first.