Make sure all components are securely connected. Apply a lubricant to the silicone or TPR ring to reduce friction. Gently insert the appliance to ensure that it is sealed around your device. Allow pump to pump gently under comfortable pressure If you feel any pain, press the air release value to relieve stress. Before using the pump, wash with antibacterial soap and warm water. Massage oil, hand cream, detergent, gasoline or acetone can not be used as a lubricant for the pump. For best results, use a pump with lubricant and always choose the right pressure to avoid damaging your device
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