The Watch this Item feature allows you to easily keep track of items that you're interested in, to review again in the future.
Watching a New Item
From any item listing page, just below the main description box, and just above the "More Items from" this seller section, click on the blue "WATCH THIS ITEM" button to add an item to your list of watched items:
Viewing Your List of Watched Items
From the Header
From the top of any page on Hip, click on the "Watching" link at the very top of the header.
From the Members Area
From the Members Area > Buying > Buyer Tools > Watching page: