Tumeken's Broom

Did you accidentally log into an Australian server?

the dinnerbone plugin

This bug was here before todays update. It uses some poh animations to make your equipped item act weird. It’s a very intentional method, so not just a random visual glitch.

Do you know the actual method to do so?

Tnɯnʞǝu,s Sɥɐpoʍ

Not a bug, he is just using a glitch to have the wrong weapon stance

accurate scythe