That Cutomizer is only for Local Player and when you set something attachments Remote Player have that!
Then Cutomizer will be upgraded to Networked Attachments Equip!
We move to Discord!
Our Discord community has grown fast and is now much more active; we decide to move entirely to our Discord server to offer support; this forum will be in read-mode only for the time being, join us on Discord: https://discord.gg/8zF5B4G
