diff --git a/build.gradle.kts b/build.gradle.kts
index f2a9eac..3fbe7ba 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -15,7 +15,7 @@ buildscript {
 }
 
 group = "ru.landgrafhomyak.utility"
-version = "0.4"
+version = "0.5"
 
 repositories {
 	mavenCentral()
diff --git a/src/commonMain/kotlin/ru/landgrafhomyak/utility/reference_counter/ChildReferenceCounter.kt b/src/commonMain/kotlin/ru/landgrafhomyak/utility/reference_counter/ChildReferenceCounter.kt
new file mode 100644
index 0000000..2510773
--- /dev/null
+++ b/src/commonMain/kotlin/ru/landgrafhomyak/utility/reference_counter/ChildReferenceCounter.kt
@@ -0,0 +1,19 @@
+package ru.landgrafhomyak.utility.reference_counter
+
+import kotlin.jvm.JvmName
+
+public class ChildReferenceCounter : MayBeClosedReferenceCounter {
+	private val _parent: MayBeClosedReferenceCounter
+
+	internal constructor(parent: MayBeClosedReferenceCounter, errMessageClosed: String) : super(errMessageClosed) {
+		this._parent = parent
+	}
+
+	@Suppress("INAPPLICABLE_JVM_NAME")
+	@JvmName("close")
+	public override fun close(errExistRefs: String) {
+		this._parent.tryDecref {
+			super.close(errExistRefs)
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/commonMain/kotlin/ru/landgrafhomyak/utility/reference_counter/MayBeClosedReferenceCounter.kt b/src/commonMain/kotlin/ru/landgrafhomyak/utility/reference_counter/MayBeClosedReferenceCounter.kt
index 9b0015a..466a669 100644
--- a/src/commonMain/kotlin/ru/landgrafhomyak/utility/reference_counter/MayBeClosedReferenceCounter.kt
+++ b/src/commonMain/kotlin/ru/landgrafhomyak/utility/reference_counter/MayBeClosedReferenceCounter.kt
@@ -112,6 +112,15 @@ public sealed class MayBeClosedReferenceCounter {
 		}
 	}
 
+	@JvmName("newChild")
+	public fun newChild(errMessageClosed: String): ChildReferenceCounter {
+		_Platform.jvm_assertNotNull(errMessageClosed, "param: errMessageClosed")
+
+		this.tryIncref {
+			return ChildReferenceCounter(this, errMessageClosed)
+		}
+	}
+
 	@Suppress("LEAKED_IN_PLACE_LAMBDA", "WRONG_INVOCATION_KIND")
 	@JvmName("child_inheritErrMessage")
 	public fun <R> child_inheritErrMessage(errExistRefs: String, scope: (MayBeClosedReferenceCounter) -> R): R {
@@ -128,4 +137,9 @@ public sealed class MayBeClosedReferenceCounter {
 			scope = scope
 		)
 	}
+
+	@JvmName("newChild_inheritErrMessage")
+	public fun newChild_inheritErrMessage(): ChildReferenceCounter {
+		return this.newChild(this._errMessageClosed)
+	}
 }
\ No newline at end of file