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Eternally Bound

by enjarai

Eternally Bound adds a Collar that players wear in a dedicated accessory slot, and a Leash that another player can use on the wearer.

FabricClient and serverMIT LicenseOpen source1.21.1

What it does

A collar is worn in its own accessory slot and linked to a leash item. When another player uses a linked leash on the wearer, the leash pulls the partner toward the user, and the wearer can be walked within a configurable wander range. The leash works only within 32 blocks of the partner, and the range is set by shift-scrolling. While a partner holds the leash, the wearer cannot take the collar off, and chat messages are replaced with a single word set in the collar.

The collar is soulbound, so it drops on death without being lost. Three new items can be dyed in any color, and Jingling Collars are functionally identical to the basic collar except that a little bell jingles as the wearer moves. Leash modes are switched by holding right-click on a leash, which opens a selection wheel; releasing right-click over a mode selects it, and left-click activates the chosen function. The mod runs on Fabric for 1.21.1 and requires Accessories, Fabric API and oωo (owo-lib).

Installation needs Accessories, Fabric API and oωo (owo-lib). Both the server and every player need the mod, since the environment is client and server. It is released under the MIT License and is open source, with the source code and issue tracker public. Latest Fabric file is 1.1.0+1.21.1, published 2026-06-01.

Key features

  1. Wearable collar

    A clean functional collar that sits in a dedicated accessory slot.

  2. Leash interaction

    A partner's leash pulls the wearer toward them and can be used on the wearer directly.

  3. Five leash functions

    Leash modes are chosen from a selection wheel opened by holding right-click on the leash.

  4. Soulbound collar

    The collar stays with the player after death, and drops rather than being destroyed.

Compatibility

Latest build for each game version and loader.

1.21.11.1.0+1.21.1
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 3

AccessoriesAn extendable and data-driven Accessory Mod for Minecraft
Required
oωo (owo-lib)A general utility, GUI and config library for modding on Fabric and Quilt
Required
Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Use cases

Roleplay servers

Collars and leashes let players act out a dynamic between a wearer and a partner on a shared server.

Who it’s for: Players and server owners who run roleplay or social servers on Fabric and want wearable collar items with leash interaction.

How it compares

Full comparison

Leashable Collars Fabric runs on client and server for 1.21.11, is released under the MIT License and is not open source. Wearable Collars is published for 1.19.4 – 1.20.4 under All rights reserved and is not open source. Kitty Mod covers 1.21 – 1.21.4 under the MIT License and is open source, with the same client and server environment.

ModLoadersGame versionsEnvironmentUpdated
Eternally BoundFabric1.21.1Client and server2026-06-01
Leashable Collars FabricFabric1.21.11Client and server2026-08-31
Wearable CollarsFabric1.19.4 – 1.20.4Client and server2024-06-21
Kitty ModFabric1.21 – 1.21.4Client and server2025-01-28

Questions

Does Eternally Bound need Fabric API?

Yes. Accessories, Fabric API and oωo (owo-lib) are all required and must be installed alongside the mod.

Does the server need Eternally Bound?

Yes. A server running it needs every connecting player to have it too.

Which game versions does Eternally Bound support?

Files exist for 1.21.1 only, with the latest Fabric file 1.1.0+1.21.1 published 2026-06-01.

In the catalog

Eternally Bound is one of 5,392 Social mods on ModsFinder, and one of 4,084 Social mods for Fabric. 32,366 mods support Minecraft 1.21.1.

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What the author says

Eternally Bound is a simple but functional mod that introduces a player-wearable Collar item. Collars can be equipped in a dedicated accessory slot, and can be linked to another new item: the Leash. Another player can use someone's linked Leash to put certain restrictions on them while they are wearing their Collar…
enjarai, on the Modrinth page

Official listing

Owner
enjarai
Published
2026-01-07
Updated on Modrinth
2026-06-01
Facts verified
2026-10-15

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