Multi-tool

Everyday carry EDC daily  

California limit 2.5 inch length knife no pen/pencil/paper/flashlight/magnifier (iPhone) 

multitool.org
Multi Tool Comparison Chart
Multi-Tools Review
A. G. Russell Tools
Datacom Tools
Equipped to Survive

pliers with wire cutter 
knives 
locking blade
serrated blade knife 
locking screwdrivers 
spring-loaded scissors 
file 
saw 
can opener, bottle opener, corkscrew SOG Powerlitre, Gerber Cork, Gerber Crucial with Corkscrew, Leatherman juice, Swiss Army 

ruler 
pen 
clip wire stripper
tweezer
one-handed opening blade/ spring-action needle pliers

Leatherman locking blade pocket (Skeletool), Knifeless Fuse, Surge (large), Charge AL (more bits), Charge TTi (more bits), Wave (base model), Juice Xe6 (corkskew), comparison
Victorinox Swiss Army SwissTool all locking, Spirit, Spirit Plus, Spirit Plus Ratchet, x, cs plus
Victorinox Hunter series
Victorinox Evolution, RangerGrip
Victorinox Outdoor Hunting, Boating/Fishing
Victorinox Swiss Soldier's Knife
Gerber tool One-handed Opening: Diesel, Pro Scout Multi-Plier 600, Butterfly Opening
SOG Multi-tools S60 S61 (Scissors), S62 S63 (seatbelt V-cutter), S68 (10, 12, 14 gauge strippers, angled head, discontinued)

One-handed operation:
Leatherman OHT spring-loaded
Buck X-Tract Fin, One-handed / lock for all tools

Spring-action pliers
* Leatherman Wingman (lock, no saw) 3.8"
Leatherman OHT (no scissors) one-hand
Leatherman Sidekick (no scissors)
* Gerber Saf.T.Plus locking Spring-loaded Legend MP800 4.3", Strata 4", Evo Tool (no file), Bear Grylls Ultimate (same as Evo), Suspension (no file), Dime Travel (no lock)
no scissors MP1 (lock), Bullrush (lock), Vise

TSA Prohibited Items, no carry on

Keychain tool
Swiss Army Jetsetter TSA safe
Leatherman Squirt E4 (small, 12, 14, 16, 18, 20GA wire strippers) spring-action pliers, Squirt PS4 (no stripper)
Leatherman Jam (skater), Hail (snowboard), Style PS (travel friendly) TSA airlines airports, spring action pliers
GerberGear keychain tools Splice, Vise
Swiss-Tech Utili-Key, Micro-Max
SwissCard
Kershaw Funxion knife with carabiner

Wrench
Spyderco Spyderench, Byrd byrdrench
CRKT Guppie

Tools with pocket clip and bottle opener
Leatherman Skeletool
CRKT Eat'N Tool XL, Iota, can opener
* Gerber Crucial (no scissors, file, saw, can opener) liner lock
Spyderco ClipiTool

The Lightest Carabiner (and Quickdraw set) on the Market, Edelrid Nineteen G, CAMP Nano 22, Metolius FS Mini, Black Diamond Oz, Petzl Ange S with Keylock

Japanese cutlery  single-sided, one side edge
金門菜刀 Kinmen knife
金永利鋼刀 Jinyongliaa Kingmen Knives 1928
金合利鋼刀 Maestro Wu 1937