Ollie Pearce's first half penalty placed Millsterman in front of Mill Farm before a quick goal from Joe Felix and Malachi Fagan-Walcott, but passed three points with more than 10 minutes left.
And the prolific Nick Horton joined his tally via Harrison's men again, but City was unlucky and not added to their tally, and countless opportunities were blown up in the closure phase.
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It was certainly a fun lunchtime kickoff for travel fans, who are well above half the crowd of 1,977.
However, while Hinshelwood, a perfectionist to date, was pleased with his side's attack, he was disappointed that they didn't hold a clean sheet for the third consecutive time.
“I certainly enjoyed it, but sometimes I'm a perfectionist with who I am,” the city boss said.
“I thought it showed us how good we could do, and then our frailty was just as frail.
“But the young people just keep going. Sometimes it was really interesting to get things right from back to back, and I think it was a taste of why we want to play, and why we want to launch those overloads and create opportunities like we do today.
“We thought we were in the final third load, but it was my reservation that we were probably lucky and we probably thought he wasn't giving us much, so we convinced the judge to make that decision.
“The hunting tackles at the start of the game were poor and we thought we were probably lucky and we were lucky enough to get a penalty. But we know that Ollie probably pushed them away and that calmed us down a bit.
“The second half was much better and I'm disappointed that we haven't kept any clean sheets again.”
There was a lot to cheer across the pitch, but one thing that caught my eye on the left was his return to Ashlena Thaniel George.
He was removed from the team against both Rochdale and Wheeledstone, and certainly betted the inclusion claim as the city again revolved their wide men.
“He's off the team and we've put high demands on him, but we want that kind of performance from him for a week,” admitted Hinshelwood.
“He was great. He set a really high standard.
“He has a chance on the left side, so he has a chance on the left side and was great today.
“There were some really good performances. We showed our quality from time to time, and I'm not going to lie.
“Full performance could have been two other goals and a clean sheet, but that's our challenge.
“I think we showed frailty. I don't know if I've got a bit too comfortable because I got off 3-0. I've done it a few times this season.
“There's still something we need to learn, but there's a lot to take from the game.”