public ItemStack onItemRightClick(ItemStack itemStack, World world, EntityPlayer player) {
        if (!world.isRemote) {
            Vec3 v3 = player.getLook(1);
            EntityWitherSkull witherskull = new EntityWitherSkull(world, player.posX, player.posY + player.eyeHeight, player.posZ, v3.xCoord, v3.yCoord, v3.zCoord);
            witherskull.shootingEntity = player;
            world.spawnEntityInWorld(witherskull);
        }
        return itemStack;