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    private void switchToPitchBlade(LivingEntity user, ItemStack stack) {
        Hand hand = user.getActiveHand();
        NbtCompound nbtCompound = stack.getNbt().getCompound("null");

        ItemStack pitchBlade = new ItemStack(ModItems.PITCH_BLADE);
        pitchBlade.setNbt(nbtCompound);

        user.setStackInHand(hand, pitchBlade);
    }