In Suicide Squad (2016), the writing on Harley Quinn's baseball bat is a quote from her first appearance in Batman: The Animated series, specifically the Episode “Joker's Favor”. : r/MovieDetails
WOODEN Harley Quinn Bat Suicide Squad Replica - Etsy
Noble Collection - Harley Quinn Baseball Bat | Gold Star Memorabilia
Rolling pin Harley Quinn Bat | DC Comics | Cinereplicas – Cinereplicas USA