This is a plugin for replace player's item,It adds some useful command for replace player's item.You can use command "headadd' to place a block in the player's head.
And you can use command "replace" to replace an item in the player's inventory.Of course,You can enter command "/help Inv_Replacer" for get more command,You can also read my documentation.
I am a Chinese,My English is bad,I can't do more explain for it (
Enjoy it!