Rich Pins are Pins that include extra information right on the Pin itself. There are 6 types of Rich Pins: app, movie, recipe, article, product and place.
How can I get Rich Pins?
Right now, there are 6 types of Rich Pins: app, movie, recipe, article, product and place. To get started, you’ll need to prep your website with meta tags, test out your Rich Pins and apply to get them on Pinterest. If you’re not technical, you might want to ask your developer or site owner to help get you going!
So, remember OG tags, those are one of the 3 things that the Pinterest Validator will use to validate your content, you only have to validate once per domain, and then wait to see your ‘Rich Pins‘
Use a Call-to-Action
In your Pin’s description, add a call-to-action. You’ll get 80% more engagement. one of the “9 Proven Ways to Boost Repins on Pinterest to Increase Sales (Backed by the Latest Research)” updated 2 months ago, look at all the suggestions there, and then pin more. from https://blog.dlvrit.com/2015/08/pinterest-for-business-tips/