diff --git a/include/RE/B/BGSInventoryInterface.h b/include/RE/B/BGSInventoryInterface.h
index bee48191..107b49bb 100644
--- a/include/RE/B/BGSInventoryInterface.h
+++ b/include/RE/B/BGSInventoryInterface.h
@@ -56,15 +56,24 @@ namespace RE
 
 		[[nodiscard]] TESBoundObject* GetInventoryObject(const std::uint32_t& a_handleID) const
 		{
-			using func_t = decltype(&BGSInventoryInterface::GetInventoryObject);
-			static REL::Relocation<func_t> func{ ID::BGSInventoryInterface::GetInventoryObject };
-			return func(this, a_handleID);
+			using func_t = bool (*)(const BGSInventoryInterface*, const std::uint32_t*, std::uint64_t***);
+			static REL::Relocation<func_t> subfn{ ID::BGSInventoryInterface::GetInventoryObjectSub };
+
+			std::uint32_t   handle = a_handleID;
+			std::uint64_t   out = 0;
+			std::uint64_t*  outarr[2];
+			std::uint64_t** pout;
+			outarr[0] = &out;
+			pout = (std::uint64_t**)&outarr;
+			subfn(this, &handle, &pout);
+			return reinterpret_cast<TESBoundObject*>(out);
 		}
 
 		virtual ~BGSInventoryInterface();  // 00
 
 		// members
-		BSTArray<Agent> agentArray;  // 30
+		std::uint64_t   unk30;       // 30
+		BSTArray<Agent> agentArray;  // 38
 	};
 	//static_assert(sizeof(BGSInventoryInterface) == 0x48);
 }
diff --git a/include/RE/IDs.h b/include/RE/IDs.h
index 32963ac3..105b152b 100644
--- a/include/RE/IDs.h
+++ b/include/RE/IDs.h
@@ -32,24 +32,24 @@ namespace RE::ID
 
 	namespace ActorValue
 	{
-		inline constexpr REL::ID GetSingleton{ 0 };  // 36266
+		inline constexpr REL::ID GetSingleton{ 43134 };  // 36266
 	}
 
 	namespace ActorEquipManager
 	{
-		inline constexpr REL::ID Singleton{ 0 };      // 879425
-		inline constexpr REL::ID EquipObject{ 0 };    // 151991
-		inline constexpr REL::ID UnequipObject{ 0 };  // 152007
+		inline constexpr REL::ID Singleton{ 938503 };  // 879425
+		inline constexpr REL::ID EquipObject{ 0 };     // 151991 -> TODO: Verify 101949 in 1.15
+		inline constexpr REL::ID UnequipObject{ 0 };   // 152007 -> TODO: Verify 101951 in 1.15
 	}
 
 	namespace ActorCellChangeEvent::Event
 	{
-		inline constexpr REL::ID GetEventSource{ 0 };  // 107081
+		inline constexpr REL::ID GetEventSource{ 64106 };  // 107081
 	}
 
 	namespace ActorItemEquipped::Event
 	{
-		inline constexpr REL::ID GetEventSource{ 0 };  // 151162
+		inline constexpr REL::ID GetEventSource{ 100427 };  // 151162
 	}
 
 	namespace AttachReference::Event
@@ -140,13 +140,14 @@ namespace RE::ID
 
 	namespace BGSInventoryInterface
 	{
-		inline constexpr REL::ID Singleton{ 0 };           // 825787
-		inline constexpr REL::ID GetInventoryObject{ 0 };  // 87520
+		inline constexpr REL::ID Singleton{ 883301 };      // 825787
+		inline constexpr REL::ID GetInventoryObject{ 0 };  // 87520 - inlined
+		inline constexpr REL::ID GetInventoryObjectSub{ 63846 };
 	}
 
 	namespace BGSObjectInstance
 	{
-		inline constexpr REL::ID ctor{ 0 };  // 101725
+		inline constexpr REL::ID ctor{ 59786 };  // 101725
 	}
 
 	namespace BGSPlanet::PlayerKnowledgeFlagSetEvent
@@ -247,8 +248,9 @@ namespace RE::ID
 	namespace BSNonReentrantSpinLock
 	{
 		inline constexpr REL::ID Lock{ 37396 };
-		inline constexpr REL::ID TryLock{ 0 };  // 74235 - inlined?
-		inline constexpr REL::ID Unlock{ 0 };   // 73895 - inlined?
+		inline constexpr REL::ID TryLock{ 0 };  // 74235 - inlined
+		inline constexpr REL::ID Unlock{ 0 };   // 73895 - inlined
+		inline constexpr REL::ID UnlockSubroutine{ 37393 };
 	}
 
 	namespace BSPointerHandleManagerInterface
diff --git a/src/RE/B/BSLock.cpp b/src/RE/B/BSLock.cpp
index 8bd0d329..552d18f8 100644
--- a/src/RE/B/BSLock.cpp
+++ b/src/RE/B/BSLock.cpp
@@ -11,16 +11,14 @@ namespace RE
 
 	bool BSNonReentrantSpinLock::TryLock()
 	{
-		using func_t = decltype(&BSNonReentrantSpinLock::TryLock);
-		static REL::Relocation<func_t> func{ ID::BSNonReentrantSpinLock::TryLock };
-		return func(this);
+		return _InterlockedOr(reinterpret_cast<volatile long*>(&this->m_lock), 1) == 0;
 	}
 
 	void BSNonReentrantSpinLock::Unlock()
 	{
-		using func_t = decltype(&BSNonReentrantSpinLock::Unlock);
-		static REL::Relocation<func_t> func{ ID::BSNonReentrantSpinLock::Unlock };
-		return func(this);
+		using func_t = int (*)(BSNonReentrantSpinLock*, std::int32_t, std::int8_t);
+		static REL::Relocation<func_t> func{ ID::BSNonReentrantSpinLock::UnlockSubroutine };
+		func(this, 1, 2);
 	}
 
 	void BSReadWriteLock::LockRead()
diff --git a/src/RE/O/Object.cpp b/src/RE/O/Object.cpp
index 995c0e4f..833765a6 100644
--- a/src/RE/O/Object.cpp
+++ b/src/RE/O/Object.cpp
@@ -4,9 +4,10 @@ namespace RE::BSScript
 {
 	void Object::dtor()
 	{
-		static REL::Relocation<void (*)(Object*)> UnkObjectDtorSubroutine{ ID::BSScript::Object::dtorUnkSub };
-		typedef ObjectTypeInfo* (*ObjectTypeInfoDeallocator)(ObjectTypeInfo*, std::uint32_t);
-		static REL::Relocation<ObjectTypeInfoDeallocator> ObjectTypeInfoDealloc{ ID::BSScript::ObjectTypeInfo::dtor };
+		using func_t = decltype(&Object::dtor);
+		using func2_t = ObjectTypeInfo* (*)(ObjectTypeInfo*, std::uint32_t);
+		static REL::Relocation<func_t>  UnkObjectDtorSubroutine{ ID::BSScript::Object::dtorUnkSub };
+		static REL::Relocation<func2_t> ObjectTypeInfoDealloc{ ID::BSScript::ObjectTypeInfo::dtor };
 
 		this->lockStructure =
 			reinterpret_cast<void*>(reinterpret_cast<volatile std::uint64_t>(this->lockStructure) & 0xfffffffffffffffe);