diff --git a/solanaceae/tox_messages/backends/tox_ft_filesystem.cpp b/solanaceae/tox_messages/backends/tox_ft_filesystem.cpp
index f31d4d6..692d80e 100644
--- a/solanaceae/tox_messages/backends/tox_ft_filesystem.cpp
+++ b/solanaceae/tox_messages/backends/tox_ft_filesystem.cpp
@@ -11,20 +11,23 @@ namespace Backends {
 
 ToxFTFilesystem::ToxFTFilesystem(
 	ObjectStore2& os
-) : StorageBackendI::StorageBackendI(os) {
+) : _os(os) {
 }
 
 ToxFTFilesystem::~ToxFTFilesystem(void) {
 }
 
-ObjectHandle ToxFTFilesystem::newObject(ByteSpan id) {
+ObjectHandle ToxFTFilesystem::newObject(ByteSpan id, bool throw_construct) {
 	ObjectHandle o{_os.registry(), _os.registry().create()};
 
-	o.emplace<ObjComp::Ephemeral::Backend>(this);
+	o.emplace<ObjComp::Ephemeral::BackendMeta>(this);
+	o.emplace<ObjComp::Ephemeral::BackendFile2>(this);
 	o.emplace<ObjComp::ID>(std::vector<uint8_t>{id});
 	//o.emplace<ObjComp::Ephemeral::FilePath>(object_file_path.generic_u8string());
 
-	_os.throwEventConstruct(o);
+	if (throw_construct) {
+		_os.throwEventConstruct(o);
+	}
 
 	return o;
 }
diff --git a/solanaceae/tox_messages/backends/tox_ft_filesystem.hpp b/solanaceae/tox_messages/backends/tox_ft_filesystem.hpp
index 9723880..8c9e026 100644
--- a/solanaceae/tox_messages/backends/tox_ft_filesystem.hpp
+++ b/solanaceae/tox_messages/backends/tox_ft_filesystem.hpp
@@ -4,13 +4,15 @@
 
 namespace Backends {
 
-struct ToxFTFilesystem : public StorageBackendI {
+struct ToxFTFilesystem : public StorageBackendIMeta, public StorageBackendIFile2 {
+	ObjectStore2& _os;
+
 	ToxFTFilesystem(
 		ObjectStore2& os
 	);
 	~ToxFTFilesystem(void);
 
-	ObjectHandle newObject(ByteSpan id) override;
+	ObjectHandle newObject(ByteSpan id, bool throw_construct = true) override;
 
 	std::unique_ptr<File2I> file2(Object o, FILE2_FLAGS flags) override;
 };
diff --git a/solanaceae/tox_messages/tox_transfer_manager.cpp b/solanaceae/tox_messages/tox_transfer_manager.cpp
index f47494e..b6eaba1 100644
--- a/solanaceae/tox_messages/tox_transfer_manager.cpp
+++ b/solanaceae/tox_messages/tox_transfer_manager.cpp
@@ -11,6 +11,8 @@
 #include <solanaceae/message3/components.hpp>
 #include "./msg_components.hpp"
 #include "./obj_components.hpp"
+#include "solanaceae/object_store/meta_components.hpp"
+#include "solanaceae/util/span.hpp"
 
 #include <sodium.h>
 
@@ -146,8 +148,7 @@ Message3Handle ToxTransferManager::toxSendFilePath(const Contact3 c, uint32_t fi
 		return {};
 	}
 
-	// TODO: move this to backend
-	ObjectHandle o {_os.registry(), _os.registry().create()};
+	auto o = _ftb.newObject(ByteSpan{file_id}, false);
 
 	o.emplace<ObjComp::F::TagLocalHaveAll>();
 	o.emplace<ObjComp::Tox::TagOutgoing>();
@@ -159,8 +160,6 @@ Message3Handle ToxTransferManager::toxSendFilePath(const Contact3 c, uint32_t fi
 	o.emplace<ObjComp::F::SingleInfoLocal>(std::string{file_path});
 	o.emplace<ObjComp::Ephemeral::FilePath>(std::string{file_path}); // ?
 
-	o.emplace<ObjComp::Ephemeral::Backend>(&_ftb);
-
 	o.emplace<ObjComp::Ephemeral::File::TransferStats>();
 
 	// TODO: replace with better state tracking
@@ -507,7 +506,7 @@ bool ToxTransferManager::onToxEvent(const Tox_Event_File_Recv* e) {
 
 	auto self_c = _cr.get<Contact::Components::Self>(c).self;
 
-	o = {_os.registry(), _os.registry().create()};
+	o = _ftb.newObject(ByteSpan{f_id_opt.value()}, false);
 
 	o.emplace<ObjComp::Tox::TagIncomming>();
 	o.emplace<ObjComp::Ephemeral::File::TagTransferPaused>();
@@ -521,8 +520,6 @@ bool ToxTransferManager::onToxEvent(const Tox_Event_File_Recv* e) {
 
 	o.emplace<ObjComp::Ephemeral::File::TransferStats>();
 
-	o.emplace<ObjComp::Ephemeral::Backend>(&_ftb);
-
 	toxFriendLookupAdd(o);
 
 	Message3Handle msg = {*reg_ptr, reg_ptr->create()};