
NeoBackSlot
A lightweight Back Slot and Belt Slot equipment mod for NeoForge 1.21.1.
Screenshots






About this Mod
NeoBackSlot
NeoBackSlot is a lightweight Back Slot and Belt Slot equipment mod for NeoForge 1.21.1.
Store weapons and tools on your character's back or belt for quick access using configurable keybinds (by default G for the Back Slot and V for the Belt Slot). Items are fully synchronized in multiplayer and visible to other players.
NeoBackSlot is designed with compatibility in mind, supporting not only vanilla equipment but also many modded weapons and tools, making it a great fit for heavily modded RPG-style modpacks.
📷 Additional screenshots and previews can be found in the Gallery section.
Features
- Back Slot
- Belt Slot
- Quick weapon swapping
- Multiplayer synchronization
- Dedicated server support
- HUD indicators
- Inventory GUI integration
- Custom sounds
- Death drop support
- Basic grave mod compatibility
- Lightweight and dependency-free
- Compatible with many modded weapons and tools

Controls
| Action | Default Key |
|---|---|
| Swap Back Slot | G |
| Swap Belt Slot | V |
All keybinds can be changed through Minecraft's Controls menu.
Configuration
A configuration file will be generated automatically:
config/neobackslot-common.toml
Available option:
[death]
keepItemsOnDeath = false
When enabled, Back Slot and Belt Slot items will remain equipped after respawn.
Installation
- Install NeoForge for Minecraft 1.21.1.
- Place NeoBackSlot into the
modsfolder. - For multiplayer, installing it on both the client and server is recommended.
- Launch the game.
No additional dependencies are required.
Credits
NeoBackSlot is heavily inspired by the original BackSlot mod created by Globox1997.
This is not a direct port of BackSlot. NeoBackSlot is an independent NeoForge implementation developed specifically for Minecraft 1.21.1.
Compatibility
NeoBackSlot has been successfully tested with:
- Singleplayer
- Dedicated servers
- Multiplayer environments
- Large modpacks (300+ mods)
- YIGD (You're In Grave Danger)
The mod is designed to work alongside most NeoForge modpacks without requiring additional libraries.
Known Issues
- Tridents may appear visually misaligned when equipped in the Belt Slot.
- Some modded shields may require additional transform or scaling adjustments.
- Grave mods restore Back Slot and Belt Slot items as regular inventory items.
- If a grave is claimed while the player's inventory is completely full, Back Slot and Belt Slot items may not be restored correctly.
Bug Reports & Feature Requests
Found a bug or compatibility issue?
Please report it on GitHub Issues:
Available Versions
How to Install NeoBackSlot on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "NeoBackSlot". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
NeoBackSlot server crashes on startup – what to do?
Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is NeoBackSlot compatible with neoforge?
NeoBackSlot officially supports neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with NeoBackSlot – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if NeoBackSlot consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install NeoBackSlot with just one click on your server.