on death of player:
    drop player head named "&6Glowka gracza %victim%" at location of victim
on rightclick holding player head:
    apply regeneration of tier 3 to player for 5 seconds       
    remove 1 player head from player's inventory
on leftclick holding player head:
    apply regeneration of tier 3 to player for 5 seconds   
    remove 1 player head from player's inventory
on place:
    if player's tool is player head named "&6Glowka gracza %player%":
        cancel event