ModsJava
Lucky's Shield Optimizer
> Hello, this mod completely eliminates the 5-tick (250-millisecond) delay when holding a shield in Minecraft.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.21–1.21.11 on Fabric. On other versions it may install and then do nothing.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.8, 1.21.5
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as luckys-shield-optimizer.jar — drop this file into the mods folder
- Download size: 7 KB
- Download link checked 23 Aug 2026 — working
These come from our own check of the pack file, not from the source page.