Abstract: A brassiere comprising two cups, a back band and an adjuster having a pair of male plug and female socket halves to interconnect the two cups for providing a front adjustment. The socket defines a longitudinal passage and has a side wall formed therein with an opening which is defined by two parallel corrugated inner side walls. The plug includes a plate dimensioned to move freely along the passage in the socket and a central tongue split from an inner end of the plate, resiliently deformable with respect to the plate and terminated with a barb-like head. The barb-like head is engageable with the corrugated inner side walls of the socket so that the plug can be locked at any of a plurality of positions with respect to the socket.

Abstract: An anti-theft device for coupling a seat back and a steering wheel of an automobile including a lock pivotally coupled to the seat back of the automobile and having a hook pivotally engaged on the lock for engagement on the steering wheel of the automobile, whereby, a person is prevented from quickly sitting on the driver seat of the automobile.

Abstract: A condom has a body, a sperm cell extending forward from the body and a vertical narrow flat neck between the body and the cell for the sperm to pass through in the cell. The sperm cell has an oval shape, the lower portion larger than the upper portion and the height is longer than the neck so that the sperm entering the cell may stay in the lower portion without few possibility to return through the neck to the body. Besides, a groove is provided at the front bottom of the body, conforming to the male sex organ.

Abstract: A balance type minute lengthenable adjuster able to be applied to caps, breast cups, etc., comprising an adjusting band, a buckle, a band pincher, two rings and two bands. One end of the adjusting band is tied with the buckle and then goes orderly through the right ring, the left ring, the band pincher, the buckle, and finally the band pincher once again. The adjusting band is pinched immovable between a positioning flap and a short tube of the band pincher. The positioned flap is able to be pivotally turned up or down to pinch immovable the adjusting band between itself and the short tube after the length of the adjusting band has been adjusted between the two rings.

Abstract: An underpants provided with smooth side panels free of protruding edges and elastic bands cover the iliac crests on both sides of the wearer for providing comfort during sleeping on either side, minimize waistband discomfort and render the sides of the underpants inconspicuous when worn under a pair of trousers or skirt.

Abstract: A double-threaded tooth pick bar formed with a double-threaded portion on one end of the pick bar and a slim portion terminating in a hook at the other end for easier and safer removal of plaque and food debris lodged between the teeth.