Usage method: 
1, Assemble the product and check if the product is working properly. 
2, The soft rubber sleeve is directly sheathed on the cup bottom, insert the penis into the cup through rubber sleeve.
3, Use the handle to step-up, stop when the penis expands to a comfortable state. 
4. After the sense of penile swelling disappears, pull out carefully to complete one workout.
Notice: 
1, The extender should be used step by step, If you feel uncomfortable, stop and try again the next day, add a little pressure each time, and persist for about 2 weeks, then take a week off and exercise again. 
2. The key to use the product is not to allow air leak, try to put your penis in the end to make the sealing ring intimately contact with the skin, so as to get better tightness. 

Product information:
Material: ABS
Color: Black
Length:20cm
Diameter:6cm
Net weight:210g
Packing weight:255g
Packing size:25*7*10cm