Double ended dildo is a nice tool for couples to enjoy sex. They can choose one double sided dildo to meet both of their sex desire, and they can enjoy sex at the same time. Double ended dildo is designed for simultaneous double penetration. Many people will purchase double dong to stimulate their partners sensitive area. They will use double dong to enjoy anal sex and vagina stimulation.In a word, you can take double sides dildo to enter double hole. You'd better add some lubes together to make double sex better.