Anvil Dupe

This Plugin is similar as the popular 1.17 dupe glitch with the anvil but it is for 1.21.11 if you want to know how to use the plugin to dupe this is how:
Step 1, take a damaged anvil and place it down
Step 2, Take any item and put it in the anvil
Step 3, Completely fill your inventory with items
Step 4, Rename the the item imputed in the anvil until the anvil breaks
Step 5, The dupe should work if it does not work try it again