It's pretty simple. When you're fishing you commonly need to use tippet on your leader. If you've got your tippet spools banging around your vest pockets or in the dark vast of your pack, you're not organized. You need this handy Tippet T. Now you can organize your tippet spools by stacking them on this Tippet T. You then can connect this Tippet T to your vest or pack for easy, organized access to just the right spool. You'll be rigging like a pro and spending more time with your fly in the water.