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2. Self-sealing suction cup - Wikipedia

   en.wikipedia.org/wiki/Self-sealing_suction_cup

   Inside the self-sealing suction cup, the plug is positioned close to the tube opening so that it can get sucked into the tube seal the hole when the central suction line is powered. A pair of springs connected to the suction cup's base helps maintain the plug's position, restoring the plug seal in the absence of object forces.

3. Snap fastener - Wikipedia

   en.wikipedia.org/wiki/Snap_fastener

   The two halves of a riveted leather snap fastener. The top half has a groove which "snaps" in place when "pressed" into the bottom half. A snap fastener, also called snap button, press button, [1] press stud, [1] press fastener, dome fastener, popper, snap and tich (or tich button), is a pair of interlocking discs, made out of a metal or plastic, commonly used in place of traditional buttons ...

4. Nano-suction technology - Wikipedia

   en.wikipedia.org/wiki/Nano-suction_technology

   Nano-suction is a technology that uses vacuum, negative fluid pressure and millions of nano-sized suction cups to securely adhere any object to a flat non-porous surface. When the nano-suction object is pressed against a flat surface, millions of miniature suction cups create a large vacuum, generating a strong suction force that can hold a ...

5. Hook-and-loop fastener - Wikipedia

   en.wikipedia.org/wiki/Hook-and-loop_fastener

   Hook-and-loop fasteners, commonly known as Velcro (a genericized trademark), hook-and-pile fasteners or touch fasteners are versatile fastening devices that allow two surfaces to be repeatedly attached and detached with ease. Invented in the mid-20th century, they are widely used in clothing, accessories, and various industrial and consumer ...

6. Suction cup - Wikipedia

   en.wikipedia.org/wiki/Suction_cup

   The working face of the suction cup is made of elastic, flexible material and has a curved surface. [3] When the center of the suction cup is pressed against a flat, non-porous surface, the volume of the space between the suction cup and the flat surface is reduced, which causes the air or water between the cup and the surface to be expelled past the rim of the circular cup.

7. Inglefield clip - Wikipedia

   en.wikipedia.org/wiki/Inglefield_clip

   Inglefield clips, from a Royal Navy handbook of 1943 Two brass Inglefield clips connected (a standard clip on the left and a swivel clip on the right).. The Inglefield clip (also known as a sister clip [1] and a Brummel hook [2]) is a clip for joining a flag or ensign quickly, easily and securely to flag halyards so that the flag can be hoisted. [3]