when you put the glowing effect and you have hat/sleeve layers on your skin will look like this picture

here is some instructions of how to obtain the bug

1. do /effect [PlayerName] glowing 60

2. Press F5 and go into third person view and you will see the bug

3.Use my skin for the actual results you can find it at this link https://namemc.com/profile/381ca6a8-88a6-4034-b81a-035905c0ff65 Press Known skins and then press on the one on the far left and then scroll down and press Use skin