diff --git a/asyncforge.js b/asyncforge.js
index c8dc208..28863cd 100644
--- a/asyncforge.js
+++ b/asyncforge.js
@@ -43,10 +43,22 @@ function memo (name) {
   }
 
   get.set = set
+  get.key = sym
 
   return get
 }
 
+function setAll (memos) {
+  let store = asyncLocalStorage.getStore()
+  store = Object.create(store)
+  const keys = Object.getOwnPropertySymbols(memos)
+  for (const key of keys) {
+    store[key] = memos[key]
+  }
+  asyncLocalStorage.enterWith(store)
+}
+
 module.exports.start = start
 module.exports.forge = forge
 module.exports.memo = memo
+module.exports.setAll = setAll
diff --git a/test/setall.test.js b/test/setall.test.js
new file mode 100644
index 0000000..33828d2
--- /dev/null
+++ b/test/setall.test.js
@@ -0,0 +1,23 @@
+'use strict'
+
+const { test } = require('node:test')
+const { start, memo, setAll } = require('../')
+const assert = require('node:assert/strict')
+
+test('setAll memos', async (t) => {
+  const a = memo()
+  const b = memo()
+  const c = memo()
+
+  start()
+
+  setAll({
+    [a.key]: 1,
+    [b.key]: 2,
+    [c.key]: 3
+  })
+
+  assert.equal(a(), 1)
+  assert.equal(b(), 2)
+  assert.equal(c(), 3)
+})