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
cala on Twitter: "dump of WIP photos i took of harley quinn's bat cause i love this project way too much #HarleyQuinn https://t.co/ctNaTRvK8i" / Twitter
writing on Harley quinn's bat | Vanene Veezy Gu - Academia.edu
How to Make the Harley Quinn Bat from Suicide Squad - YouTube
Definitive Harley Quinn suicide squad thread | Page 24 | RPF Costume and Prop Maker Community
Suicide Squad- Harley Quinn's Correct Bat Script by BrianaNorman22 on DeviantArt