A Hamilton woman who alleges she was "flashed" by a driver offering her a ride and cigarettes gave an unflattering account of the man's anatomy, describing it as a small "bubble".

The 22-year-old woman, whose identity is suppressed, yesterday told the High Court in Hamilton she was walking into Hamilton's central city in July, 2009, when she was approached by a van driven by Jason Jones.

The woman said Jones asked her four or five times to get into his van before exposing himself.

CO-ACCUSED: Maureen Samantha Iti is also facing rape charges.

Jones, 38, and his partner Maureen Samantha Iti, 33, are on trial jointly charged with raping three young women in Hamilton.

Jones is also charged with doing an indecent act in public.

The complainant told jurors she quickly turned away after Jones exposed himself but recalled seeing a 2cm "bubble" in his hand. "I looked away but it wasn't much of a penis."

She said Jones was friendly and "matey-matey" but also appeared manipulative.

The Crown alleges that between July 2009 and January last year Jones and Iti drove around Hamilton's central city in the early hours looking for lone women to sexually violate.

Also giving evidence yesterday was a 19-year-old Hamilton woman who alleged Jones and Iti offered her a ride in their van as she walked to Firecats strip club on a Saturday night in December 2009.

She said they drove her to a secluded spot by the river and gave her wine and a cannabis "joint" to smoke.

The woman, whose identity is suppressed, alleged Jones and Iti began kissing her neck while in the van, before Jones removed her pants and raped her. She said she "elbowed him in the ribs" and pushed Jones off before hurriedly getting out of the van, leaving her shoes and cellphone behind.

After eventually walking back to her friend's Hillcrest property early the next morning, she was confronted by two friends who heard her crying.

On being told what happened, her 19-year-old female friend wrote down the woman's account even though, she said, the woman had been reluctant to go into detail about the night.

"She was scared and didn't want to look at us or anything ... she just didn't seem herself," the friend told jurors.

The friend told the court she took the home-made statement to the police station on her way to work the next day.

She persuaded the complainant to go to the station herself later that night.

In earlier evidence, the first woman allegedly raped by Jones and Iti said she delayed reporting the attack for fear of how police would treat her complaint.

The woman, whose identity is automatically suppressed, alleges the couple raped her in the early hours of July 11, 2009, but she did not report the alleged incident until February 2010.

She told jurors she had made a previous rape complaint in May 2009 but withdrew it because of how police treated her complaint.

Cross-examined by defence counsel Gavin Boot, the woman said she always intended to report the alleged attack by Jones and Iti but was fearful because of past experience with police.

The woman said that when she reported the first rape she felt interrogated by the male officer and made to feel that she was in the wrong. She said "it wasn't worth the pain he [the officer] was putting me through".

The trial continues.