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Overwhelming BOSS Quality
A basic plug designed for expansion from the BOSS Silicon Series is now available!
The streamlined body shape pursues an angle that enters deeper and deeper like a suppository.
The Basic X design, which focuses even more on expansion by reducing the difference between the maximum diameter and neck diameter, is a necessity for stepping up.
Soft and flexible with 100% pure silicone material
Bottom Slot
The Basic X adopts a slot to fix the plug bottom with a string, etc. as standard.
The play becomes more wide-ranging when combined with underwear and other items!
