Grice and Molyneaux join the Gingerbread's on a month's loan from Alfreton Town.
Grice joined Alfreton's academy after leaving Nottingham Forest academy in 2017, while Molyneaux, a winger, was released by Mansfield Town at the end of the 2019/20 season.
Latty-Fairweather joins from Burton Albion on loan, having made his senior debut last season in the EFL Trophy against Fulham Under-21s.
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