Run it
Copy the script and paste it into your executor.
local g = (getgenv and getgenv()) or _G
g.__TailAnim = g.__TailAnim or {}
g.__TailAnim.Enabled = true
g.__TailAnim.Speed = 2.0
g.__TailAnim.Amplitude = 35
loadstring(game:HttpGet("https://raw.githubusercontent.com/ltseverydayyou/uuuuuuu/refs/heads/main/TailSway.luau"))()Loads code from the internet. It downloads more code when it runs (loadstring + HttpGet), which can change after it was posted. From: raw.githubusercontent.com.
Adds a physics-like sway to tail accessories (i was bored and made this :P | it's visual not FE) PS: yes this is like Viper's one but this is open source

Universal