Triwing Y Screwdriver

screwdriver
a hand tool for driving screws; has a tip that fits into the head of a screw
A cocktail made from vodka and orange juice
A screwdriver is a tool for driving screws and rotating other machine elements with the mating drive system. The screwdriver is made up of a head or tip, which engages with a screw, a mechanism to apply torque by rotating the tip, and some way to position and support the screwdriver.
A tool with a flattened, cross-shaped, or star-shaped tip that fits into the head of a screw to turn it
a cocktail made with vodka and orange juice

triwing
A screw drive is the system used to turn a screw. At a minimum, it is a feature on the screw that allows for it to be turned. Usually it also involves a mating tool, such as a screwdriver, which is used to turn it.
(Triwings) Furcadia is a MMOSG/MMORPG (Massively Multiplayer Online Social Game/ Roleplaying Game) or graphical MUD, set in a fantasy world inhabited by anthropomorphic creatures. The game is based on user-created content, socializing and free-form roleplaying.
Also called trefoil (pronounced “tree-foil” in English). A triwing design may be familiar to you from Celtic art. It is stitched on three division lines but it’s easier to mark a 6-division temari.