Strikethrough pricing is a visual marketing tool where the original price of a product is displayed with a horizontal line through it, placed next to a lower "sale" or "discounted" price.
This highlights the savings that shoppers are getting.
Products with Strikethrough Pricing can appear as a Feature Product....

The Striketrough Pricing also appears when browsing the catalog...

And then the price of the product will also have a Strikethrough...

Here is how to use this feature....