SOMTHING IMPORTANT SECURITY WARNING AND USEFUL TIPS:
Please do not try to adjust the thrust depth when the machine is working.
Please confirm that you have screwed down the knob before you start the machine.
We sugguest you use the medium depth at the first time,and get used to the depth gradually.
Please use 1% Benzalkonium,Bromide or 75% medical alcohol to disinfect，before you use it.
It's necessary to use some lubricant,to improve your sexual experience.
More product information, usage and notices, we recommend you read labels, warnings and directions before using or consuming.