Abstract: A tip unit of a cosmetic applicator includes a tube portion connected to a hollow body of the cosmetic applicator, and a tip portion tapering away to a point from the tube portion. The tip portion has a passage space contain liquid cosmetics advanced from the hollow body through the tube portion, and has a plurality of flexible blade segments, a plurality of guiding grooves defined respectively by corresponding adjacent pairs of the blade segments, and a plurality of slits, each communicating the passage space with a respective one of the guiding grooves, and being enlargeable when the tip portion is deformed so as to permit flow of the liquid cosmetics from the passage space to the respective one of the guiding grooves therethrough.

Abstract: An input device is provided that has tactile features for assisting a user with locating an actuator and/or that has features for avoiding inadvertent actuation of an actuator. The input device may include a digital pen having an actuator disposed along a shaft of the pen at a location generally beyond the grip region, and/or an actuator recessed within an outer diameter of the pen shaft. The digital pen may include tactile features for indicating the actuator region of the pen within which the actuator is located. A method is also provided for identifying an actuator or actuator region of an input device.