The Item Subtitle listing upgrade adds an extra line of text underneath your item's title
on eBay search results pages and on category browse pages. This extra line of text acts like a sub-heading for your item. You can
use it to provide extra information about your item or to entice buyers to click into your listing. Most often people use
it to call out key selling points about their item or to describe the benefits of their item. It can be a maximum of 55
characters long (the same length as your auction's title). Here is an example of what the Item Subtitle
listing upgrade looks like in a real world listing...