Masturbation creams are lubricants specifically for male masturbation. Some women also engage in anal masturbation. Non-penetrative sex includes practices such as kissing, mutual masturbation, rubbing or stroking. Jordan said he and Jackson had engaged in acts of kissing, masturbation and oral sex. Some pieces show their use in group sex or in solitary female masturbation. Reducing the frequency of sex and masturbation helps increase semen volume. Softcore pornography may include sexual activity between two people or masturbation. Some Thai textbooks characterise masturbation as deviant behaviour and recommend meditation to suppress sexual desire. Others make a distinction between masturbation and sexual fantasy. This included, but was not limited to the act of frottage, cunnilingus and mutual masturbation. Most men who had used a vibrator in the past reported use during masturbation (86.2%). It aims to remove the taboo and shame associated with masturbation. Cybersex often includes real life masturbation. There are many other variations on male masturbation techniques. This may be a prelude to masturbation or administration of an enema.