diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ace6bec..fd82224b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Added
 
 - Support `waitFor` for [crawler.queue()](https://github.com/yujiosaka/headless-chrome-crawler#crawlerqueueoptions)'s options.
+- Support `slowMo` for [HCCrawler.connect()](#hccrawlerconnectoptions)'s options.
 
 ### Fixed
 
diff --git a/README.md b/README.md
index c9384c0b..7320ae28 100644
--- a/README.md
+++ b/README.md
@@ -176,7 +176,7 @@ HCCrawler.launch({
 This method connects to an existing Chromium instance. The following options are passed to [puppeteer.connect()](https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#puppeteerconnectoptions).
 
 ```
-browserWSEndpoint, ignoreHTTPSErrors
+browserWSEndpoint, ignoreHTTPSErrors, slowMo
 ```
 
 Also, the following options can be set as default values when [crawler.queue()](#crawlerqueueoptions) are executed.
diff --git a/lib/hccrawler.js b/lib/hccrawler.js
index 2731ccf2..4e26c2a6 100644
--- a/lib/hccrawler.js
+++ b/lib/hccrawler.js
@@ -28,6 +28,7 @@ const SessionCache = require('../cache/session');
 const CONNECT_OPTIONS = [
   'browserWSEndpoint',
   'ignoreHTTPSErrors',
+  'slowMo',
 ];
 const LAUNCH_OPTIONS = [
   'ignoreHTTPSErrors',
diff --git a/test/hccrawler.test.js b/test/hccrawler.test.js
index 9157df4f..16d8e3c0 100644
--- a/test/hccrawler.test.js
+++ b/test/hccrawler.test.js
@@ -34,6 +34,33 @@ describe('HCCrawler', () => {
     });
   });
 
+  describe('HCCrawler.connect', () => {
+    let crawler;
+
+    beforeEach(() => (
+      HCCrawler.launch(DEFAULT_OPTIONS)
+        .then(_crawler => {
+          crawler = _crawler;
+        })
+    ));
+
+    afterEach(() => crawler.close());
+
+    it('connects multiple times to the same crawler', () => (
+      HCCrawler.connect({ browserWSEndpoint: crawler.wsEndpoint() })
+        .then(secondCrawler => secondCrawler.close())
+    ));
+
+    it('reconnects to an already disconnected crawler', () => {
+      const browserWSEndpoint = crawler.wsEndpoint();
+      return crawler.disconnect()
+        .then(() => HCCrawler.connect({ browserWSEndpoint }))
+        .then(_crawler => {
+          crawler = _crawler;
+        });
+    });
+  });
+
   describe('HCCrawler.launch', () => {
     let crawler;
     let onSuccess;
@@ -46,6 +73,13 @@ describe('HCCrawler', () => {
 
     afterEach(() => crawler.close());
 
+    it('launches a crawler', () => (
+      HCCrawler.launch(DEFAULT_OPTIONS)
+        .then(_crawler => {
+          crawler = _crawler;
+        })
+    ));
+
     context('when the server is running', () => {
       let server;