I bought a pre loaded tackle box and I don't know what this is for

What's In My Bluegill / Panfish Fishing Kit - Wired2Fish

Harper Collins: My First Tackle Box (With Fishing Rod, Lures, Hooks, L

Snackle Box - The Suburban Soapbox

Dr.Fish Fishing Tackle Bag Loaded 5 Boxes 60 Fishing Lures Kit Crankbaits Spinners Roostertail Salmon Spoons Soft Plastic Shad Swimbiats Black : Sports & Outdoors

Snackle Box - the ultimate grazing box / charcuterie

Basic tackle in a tackle box

Catfish Tackle: The Ultimate Guide To Catfishing Gear

Tackle Box Troubles: Sammy Spinner (Fish Tale, 1): Duke, Susan, Tecson, Jose: 9781669823544: : Books

Essentials for your tackle box – The Oakland Press

Dr.Fish Fishing Tackle Bag Loaded 5 Boxes 60 Fishing Lures Kit Crankbaits Spinners Roostertail Salmon Spoons Soft Plastic Shad Swimbiats Black : Sports & Outdoors

What's In My Tackle Boxes And Tackle Bag (Fishing Before A Hurricane)

Stocked Tackle Box