This item made from high-quality stainless steel material, super bounce back power. Definitely, a new idea to enjoy automatic sex. 


With this spring adapter, you can enjoy diverse penetrating pleasure without adjusting the machine. you don't need to maintain a posture for a long time, you can find a comfortable position when using the machine. 
If you want to feel free, why not try it!

 

• Total Length: 12cm (4.72 inches)
• Extend length：10.5cm （4.13 inches）
• Spring Length: 5.6cm (2.2 inches)
• Material: Alloy spring steel & Stainless steel
• Net/Gross Weight: 186g (0.41LBS)