HerSwap is a community-wide tag sale event for women’s clothing, accessories and books, with proceeds benefiting the Hopkinton Parent Teacher Organization and The Herd. It will be held Saturday, Oct. 4, from 8 a.m.-2 p.m. at Marathon School. Donations may be dropped off at Marathon School on Friday, Oct. 3, from 4:30-7 p.m. Items must be clean and in good or excellent condition. Items not sold will be donated to local charities. For more details, visit the HopSwap Facebook page.