This list was adapted from a resource given to reviewers of Mina the Hollower
We figured we'd share it if you're ready to dive into the game and need help collecting them all.
Thank you Yacht Club Games for the list and one of the best indie games of recent times!
Lace Glove

- Effect: Raises Attack level by one.
- Location: Southern Outskirts (can be several locations) - reward from Ack and Dak
Twill Weave

- Effect: Raises Defense level by one.
- Location: Nox's Bayou - Early in level
Smelling Salts

- Effect: Raises Sidearm level by one.
- Location: Eastern Heath - Frozen Pass
Brisk Brew

- Effect: Walk faster. Gain a burst of speed for a short time after hitting a foe.
- Location: Ossex - purchased from Lady Susan at the Trinket Bazaar
Seismic Belt

- Effect: Press Attack while burrowing to emit a damaging pulse.
- Location: Ossex - purchased from Lady Susan at the Trinket Bazaar
Plasma Funnel

- Effect: Drink Plasma Vials twice as fast. Don't lose Plasma Vials when hit.
- Location: Ossex - purchased from Lady Susan at the Trinket Bazaar
Deboning Wand

- Effect: Enemies reward far more Bones, but the Bones bounce around.
- Location: Ossex - reward from Elizabeth
Steady Soles

- Effect: Move normally on water, grass, stairs, and ice. Resist knockback, even into pits.
- Location: Ossex - found in a chest after Attic
Valor Medallion

- Effect: Move slightly while healing. No Plasma lost when struck.
- Location: Ossex - reward from helping Furl and Roma
Bell of Grace

- Effect: Chance to keep Spark on death. On sparkless demise, save half or all Bones.
- Location: Ossex - reward from Frayd
Willow the Wisp

- Effect: After taking damage, summon a friendly wisp that boosts your attack damage and speed.
- Location: Eastern Heath - Poppit
Helio the Wisp

- Effect: After taking damage, summon a friendly wisp that restores your health.
- Location: Western Wilds - Poppit
Keri the Wisp

- Effect: Press Jump while airborne to float and extend your fall.
- Location: Southern Outskirts - Poppit reward near Bone Beach Trail
Windfall Charm

- Effect: Picking up Joules restores some Plasma. Foes hit by Sidearms can drop Joules.
- Location: Eastern Heath - reward from Lad
Chain Capacitor

- Effect: Attack enemies without missing to boost damage. Missing resets the combo.
- Location: Eastern Heath - Choppe Shoppe reward from Wrecker
Spike Spurs

- Effect: Take less damage and walk steadfastly on spikes without being knocked back.
- Location: Knight's Rest - Spike Vault
Desperation Bonnet

- Effect: Deal more damage when at low health. Sidearms also cost less at low health.
- Location: Mourner's Mile - found in a tomb
Stolenoid

- Effect: Pull nearby pickups toward you, with the power of magnetism.
- Location: Queensbury Crypt - purchased from Belvedere
Fly Bait

- Effect: Defeat enemies to attract friendly flies that attack other foes.
- Location: Queensbury Crypt - reward from Midden
Proto Spark

- Effect: Save yourself from death, once. Resets after dying.
- Location: Queensbury Crypt - reward from The Duke
Primed Vial Pouch

- Effect: Carry 2 extra Plasma Vials. Using Vials always restores some health.
- Location: Southern Outskirts - Basement
Flame Guard

- Effect: Blocks one hit from fire or explosions, then breaks. Recharges in a few seconds.
- Location: Western Wilds - Molten Foundry
Spark Catcher

- Effect: Grants 1 extra Spark Container. Hit foes to recover lost Sparks; loose ones fly to you.
- Location: Backwaters - purchase from Pinky
Evasion Powder

- Effect: Stay invulnerable longer after damage, and briefly after exiting burrow.
- Location: Backwaters - use Ladder
Vascular Syrup

- Effect: Health decreases very slowly on hit. You cannot die until it runs out.
- Location: Nox's Bayou - near Big Lagoon
Pit Preserver

- Effect: Bounce up when falling into a pit or water, giving you a chance to recover. Pit damage is reduced.
- Location: Nox's Bayou - Purchase from Kindly Hag
Iron Lung

- Effect: Increases maximum burrow time, even underwater.
- Location: Nox's Bayou - Mock Moon reward
Tumbling Tutu

- Effect: Press Jump while airborne to perform a spin attack and bounce off enemies.
- Location: Nox's Bayou - reward from Bayou Band
Glutton's Jug

- Effect: Equip this jug and defeat 50 enemies to fill it.
- Location: Backwaters - Buffo
Uranium Bracelet

- Effect: Deal and receive significantly more damage.
- Location: Nether Kraken reward / Ossex - purchased from Lady Susan after the Trinket Bazaar expands
Bubble Ring

- Effect: Strike foes quickly to form a protective shield that absorbs one hit.
- Location: Ossex - purchased from Lady Susan after the Trinket Bazaar expands
Shock Flint

- Effect: Attack at full Plasma or health to fire a deadly shock ball that grows over distance.
- Location: Ossex - purchased from Lady Susan after the Trinket Bazaar expands
Intravenous Vial

- Effect: Automatically use a Vial without drinking when you have enough Plasma.
- Location: Ossex - purchased from Lady Susan after the Trinket Bazaar expands
Pneumatic Armlet

- Effect: Supercharge your throws. Thrown objects go faster, farther, and deal more damage.
- Location: Ossex - Music Hall reward from Willis
Warding Beastium

- Effect: Take less damage, but healing is much less effective.
- Location: Ossex - near Evra
Reckless Beastium

- Effect: After healing, your next few hits are powered up, but you're more vulnerable.
- Location: Mirror's End - reward from Dr. Naught
Draining Beastium

- Effect: Sidearms deal more damage but consume more Joules.
- Location: Kindlewood - Madd House
Starving Beastium

- Effect: Vials refill Joules on use but restore less health.
- Location: Queensbury Crypt route - Mina's Grave / hidden zone
Volatile Beastium

- Effect: Foes sometimes drop a bomb on death.
- Location: Train - Purchased when traveling from Bone Beach to Nox's Bayou
Burning Beastium

- Effect: Create damaging fireballs when hit. Jump or burrow to avoid them.
- Location: Coltrane Peak
Dummy Cache

- Effect: Press Heal to place a Joule-filled decoy that distracts enemies.
- Location: Western Wilds - after Coltrane Peak
Blinking Glass

- Effect: Sometimes, avoid taking damage, and become briefly invulnerable.
- Location: Coltrane Peak - Mirren
Watchful Eye

- Effect: Earn extra Bones for defeating a foe unharmed, as judged worthy by the eye.
- Location: Coltrane Peak - purchased from Rupert
Bridge Weaver

- Effect: Step off a ledge to summon a web-weaving spider and cross gaps.
- Location: Astral Orrery - Chest
Vial Salvo

- Effect: Launch missiles when you use a Vial. Bonus Plasma is granted if foes are hit.
- Location: Astral Orrery - purchased from Tubert
Dodging Pendulum

- Effect: Press Jump right before taking damage to dodge and become invulnerable.
- Location: Radiant Manor - Mimic encounter
Spring Heels

- Effect: Jump after landing to perform a longer, higher jump.
- Location: Radiant Manor - purchased from Trooper
Wallower's Gauntlets

- Effect: Summon the strength of a Wallower, allowing you to burrow into walls.
- Location: Kindlewood - Chest
Oozing Organ

- Effect: Leave a damaging trail of ooze behind you whenever you burrow.
- Location: Kindlewood - Madd House
Voltaic Guard

- Effect: Blocks one hit from lightning attacks, then breaks. Recharges in a few seconds.
- Location: Kindlewood - Madd House
Repulsing Root

- Effect: When hit, drop a shrieking Mourndrake that pushes and damages foes.
- Location: Septemburg - purchased from Corvidden
Lightning Grip

- Effect: Call down a damaging bolt when attacking after healing, and occasionally on hit.
- Location: Septemburg / Kindlewood - Campfire Kids reward; or available from Lady Susan after the Trinket Bazaar expands
Dead Leaf

- Effect: Hold still with this leaf to turn into a silent statue. Breaks if you move.
- Location: Western Wilds - reward from Leaf
Niter Belt

- Effect: Creates a radial explosion when emerging from burrow.
- Location: Sandfalls
Bellows Bustle

- Effect: Press Jump while airborne to perform an air dash.
- Location: Race reward from Blaise (Need to do all 3 races located in: Sandfalls, Ossex, and Western Wilds)
Tunneling Codex

- Effect: Hold Jump to burrow repeatedly without needing to land.
- Location: Sandfalls - Ring Dive Parlor reward from the Ring Master
Joule Syringe

- Effect: Gain Plasma from Sidearms, unless at 1 HP. At 0 Joules, spend health to use Sidearms.
- Location: Bone Beach - treasure chest
Polyp Lamp

- Effect: Glows faintly. Reduces damage taken in dark places.
- Location: Sandfalls - purchased from a shop
Thermal Pack

- Effect: Boosts damage after death or exiting Underlab. Fades, then returns stronger.
- Location: Ossex - Miner's Den reward from Fiancé
Counter Vial

- Effect: Dodge and launch a burst at the attacker if struck while readying a Vial.
- Location: Ossex - purchased from Lady Susan after the Trinket Bazaar expands




