They all use the same item, which is the Spider Swatter... Crafted from 2 10 Foot Poles (Spider Trees) and 2 Tennis Racquets (Wall Post)
PLEASE NOTE: At time of writing the 10-foot poles will only drop when the Monday Mission is active.
So, what can they drop? The answer is any of these items...
Any Free Gift Crop
Boosts: Fast Hands, Escargot, Sharp Axe, Gut Punch, Wither Protect, Unwither, Loyal Pioneer, Animal Edibles, Green Lightning, Quick Licorice, Fertile Ash, Aged Salmon, Debris and Me, Crop Mumbler, Eco-Jacking, Animal Magnetism, Crop Ready Boost, Squeezing the Stone, Shearing For Shave Tails.
Meals for Energy: Maypole Donut, Cherry Creamcake, Big Drop Lollipop, Huckleberry Pie, Smoked Cheddar, Molten Cake, Ultimate Chilli, Dinner, All You Can Eat Feast, Smoked Ham.
Debris: Rocks, Thorns, Wildflowers, Skulls, Cactus.
Lumber Trees: Fully Grown Oak, Pine or Birch.
Animals: Fully Grown Llama or Horse.