There are various types of relationships in this world. Some may be defined in words and some relationship cannot be defined in regular terms. ddlg is type of relationship between the two where one person is the care provider of the other person. In the other words, other one is accepting the care like child. Here, the one half playing the role of care giver is the dominant personality and the other half is the type of submissive nature. This type ddlg relationship may be one category of BDSM relationship involving sex or without sex.
Sometimes this type of relationship may be converted to erotic behavior related to the submissive and the dominant personality. Sometimes, sexual relationship may be extended to the submissive pets like dogs, horse or may be some other animal .The other partner is the rider, trainer or the caretaker. This type of sexual relation transformation fantasies may be termed as Petplay.
The form of role play where the participants are Dogs or other animals with caretaker may be termed as petplay. Sexual fantasies may be fulfilled by the role-play. This type of sexual fantasies is not expressed publicly due to nature of bad practices. Still, nowadays, this is still occurring. It is not always father and daughter relationship in ddlg. But, it may be any adult and minor or the caretaker and the pets. One part is always adult who may be engaged with the pets with sexual role play.
The relationship between the caretaker and the pets are the symbol of characters of dominant and submissive. The dominating person is involved with sexual fantasies with the submissive pets. Sometimes, instead of actual pets, material stuffs like pets are used for sexual behavior. The products may fulfill the sexual urge of the participants to some extent .For this purpose ddlg and petplay are interrelated for the sexual fantasies.