diff --git a/src/keel/media.hpp b/src/keel/media.hpp
index 8a4f6f3e..0f760a03 100644
--- a/src/keel/media.hpp
+++ b/src/keel/media.hpp
@@ -131,7 +131,7 @@ ox::Error writeObj(
 		const ox::FileAddress &file,
 		const T &obj,
 		ox::ClawFormat fmt = ox::ClawFormat::Metal) noexcept {
-	oxRequire(objBuff, ox::writeClaw(&obj, fmt));
+	oxRequire(objBuff, ox::writeClaw(obj, fmt));
 	return ctx->rom->write(file, objBuff.data(), objBuff.size());
 }
 
diff --git a/src/keel/pack.cpp b/src/keel/pack.cpp
index c35c4450..20e74575 100644
--- a/src/keel/pack.cpp
+++ b/src/keel/pack.cpp
@@ -87,7 +87,7 @@ static ox::Error doTransformations(keel::Context *ctx, ox::TypeStore *ts, ox::Fi
 	// transform FileAddresses
 	oxRequireM(obj, keel::readAsset(ts, buff));
 	oxReturnError(transformFileAddressesObj(ctx, dest, &obj));
-	oxReturnError(ox::writeClaw(&obj).moveTo(&buff));
+	oxReturnError(ox::writeClaw(obj).moveTo(&buff));
 	// write file to dest
 	oxReturnError(dest->write(s.inode, buff.data(), buff.size()));
 	return {};
diff --git a/src/keel/typeconv.hpp b/src/keel/typeconv.hpp
index e154fb29..f7e4d0e7 100644
--- a/src/keel/typeconv.hpp
+++ b/src/keel/typeconv.hpp
@@ -172,7 +172,7 @@ ox::Result<ox::Buffer> convertBuffToBuff(keel::Context *ctx, const ox::Buffer &s
 	static constexpr auto DstTypeName = ox::requireModelTypeName<DstType>();
 	static constexpr auto DstTypeVersion = ox::requireModelTypeVersion<DstType>();
 	oxRequire(out, convert(ctx, srcBuffer, DstTypeName, DstTypeVersion));
-	return ox::writeClaw<DstType>(wrapCast<DstType>(out.get()), fmt);
+	return ox::writeClaw<DstType>(*wrapCast<DstType>(out.get()), fmt);
 }
 
 template<typename From, typename To, ox::ClawFormat fmt = ox::ClawFormat::Metal>
diff --git a/src/studio/modlib/include/studio/configio.hpp b/src/studio/modlib/include/studio/configio.hpp
index bb9822c5..2e12e88b 100644
--- a/src/studio/modlib/include/studio/configio.hpp
+++ b/src/studio/modlib/include/studio/configio.hpp
@@ -48,7 +48,7 @@ ox::Error writeConfig(keel::Context *ctx, ox::CRStringView name, T *data) noexce
 		oxErrf("Could not create config directory: {}\n", toStr(err));
 		return err;
 	}
-	oxRequireM(buff, ox::writeOC(data));
+	oxRequireM(buff, ox::writeOC(*data));
 	buff.back().value = '\n';
 	if (const auto err = fs.write(path, buff.data(), buff.size())) {
 		oxErrf("Could not read config file: {}\n", toStr(err));
diff --git a/src/studio/modlib/include/studio/project.hpp b/src/studio/modlib/include/studio/project.hpp
index 12583ae3..eea2da1f 100644
--- a/src/studio/modlib/include/studio/project.hpp
+++ b/src/studio/modlib/include/studio/project.hpp
@@ -59,10 +59,13 @@ class Project {
 		 * Writes a MetalClaw object to the project at the given path.
 		 */
 		template<typename T>
-		ox::Error writeObj(const ox::String &path, const T *obj, ox::ClawFormat fmt = ox::ClawFormat::Metal) noexcept;
+		ox::Error writeObj(
+				const ox::StringView &path,
+				const T *obj,
+				ox::ClawFormat fmt = ox::ClawFormat::Metal) noexcept;
 
 		template<typename T>
-		ox::Result<T> loadObj(const ox::String &path) const noexcept;
+		ox::Result<T> loadObj(const ox::StringView &path) const noexcept;
 
 		ox::Result<ox::FileStat> stat(ox::CRStringView path) const noexcept;
 
@@ -82,7 +85,7 @@ class Project {
 
 		ox::Error writeBuff(const ox::StringView &path, const ox::Buffer &buff) noexcept;
 
-		ox::Result<ox::Buffer> loadBuff(const ox::String &path) const noexcept;
+		ox::Result<ox::Buffer> loadBuff(const ox::StringView &path) const noexcept;
 
 		ox::Error lsProcDir(ox::Vector<ox::String> *paths, ox::CRStringView path) const noexcept;
 
@@ -102,9 +105,9 @@ class Project {
 };
 
 template<typename T>
-ox::Error Project::writeObj(const ox::String &path, const T *obj, ox::ClawFormat fmt) noexcept {
+ox::Error Project::writeObj(const ox::StringView &path, const T *obj, ox::ClawFormat fmt) noexcept {
 	// write MetalClaw
-	oxRequireM(buff, ox::writeClaw(obj, fmt));
+	oxRequireM(buff, ox::writeClaw(*obj, fmt));
 	// write to FS
 	oxReturnError(writeBuff(path, buff));
 	// write type descriptor
@@ -115,7 +118,7 @@ ox::Error Project::writeObj(const ox::String &path, const T *obj, ox::ClawFormat
 	const auto descPath = ox::sfmt("/.{}/type_descriptors", m_projectDataDir);
 	oxReturnError(mkdir(descPath));
 	for (const auto &t : m_typeStore.typeList()) {
-		oxRequireM(typeOut, ox::writeClaw(t, ox::ClawFormat::Organic));
+		oxRequireM(typeOut, ox::writeClaw(*t, ox::ClawFormat::Organic));
 		// replace garbage last character with new line
 		typeOut.back().value = '\n';
 		// write to FS
@@ -127,7 +130,7 @@ ox::Error Project::writeObj(const ox::String &path, const T *obj, ox::ClawFormat
 }
 
 template<typename T>
-ox::Result<T> Project::loadObj(const ox::String &path) const noexcept {
+ox::Result<T> Project::loadObj(const ox::StringView &path) const noexcept {
 	oxRequire(buff, loadBuff(path));
 	if constexpr (ox::is_same_v<T, ox::ModelObject>) {
 		return keel::readAsset(&m_typeStore, buff);
diff --git a/src/studio/modlib/src/project.cpp b/src/studio/modlib/src/project.cpp
index 55955b83..301ce476 100644
--- a/src/studio/modlib/src/project.cpp
+++ b/src/studio/modlib/src/project.cpp
@@ -104,7 +104,7 @@ ox::Error Project::writeBuff(const ox::StringView &path, const ox::Buffer &buff)
 	return {};
 }
 
-ox::Result<ox::Buffer> Project::loadBuff(const ox::String &path) const noexcept {
+ox::Result<ox::Buffer> Project::loadBuff(const ox::StringView &path) const noexcept {
 	return m_fs->read(path);
 }