Cloaking is a seo technique in which the content presented to the search engine spider is different from that presented to the user's browser. This is done by delivering content based on the IP addresses or the User-Agent HTTP header of the user requesting the page. When a user is identified as a search engine spider, a server-side script delivers a different version of the web page, one that contains content not present on the visible page, or that is present but not searchable.

This kind of technique is termed as black hat SEO which is not recommended by many webmasters and I also suggest you not to use it.

Cloaking is a spamming search engine optimization (SEO) technique that some webmasters use to show the content of their sites to the search engine spider so they could rank higher for their keywords, and they show something else to the visitors.

It is not "clocking" it is "cloaking". cloaking is a website that returns a different webpages to search engines crawling the site. In other words, a human reading the site would see different content or information than the Googlebot or other search engine robot reading the site. This type of method is performed to rank their pages well in search engines. This is one of the black hat seo method.

Cloaking is the black-hat SEO technique which is used for spamming. The Search Engine doesn't aspect this technique.

Cloaking is complete under Black Hat SEO, here we are presented the website different ways for user and search engines. It's is not suggestible task because if you use this search engines will consider your website spam. DON'T USE

This type of method is performed to rank their pages well in search engines. This is one of the black hat seo method.