update verb

.verb.md

@@ -18,6 +18,21 @@ const {%= varname %} = require('{%= name %}')
 
 {%= apidocs('index.js') %}
 
+### Usage as wrapper
+> If you pass [simple-get][simple-get] to it or any request library that
+have `.concat` method, it just returns it and adds `.requestAll` method.
+
+**Example**
+
+```js
+const simpleGet = require('request-all')(require('simple-get'))
+
+simpleGet.requestAll('http://httpbin.org/ip', {json: false}, (err, buf) => {
+  if (err) return console.error(err)
+  console.log(buf.toString()) // => '{"origin": "33.125.89.244"}'
+})
+```
+
 {% if (verb.related && verb.related.list && verb.related.list.length) { %}
 ## Related
 {%= related(verb.related.list, {words: 11}) %}