![]() The gag has been used in a number of films and television productions, such as the Stan Laurel short Dr. not trying too hard to solve it for example, in acceptance and commitment therapy. The Chinese finger trap is a common metaphor for a problem that can be overcome by relaxing, i.e. Parachute lines are often assembled using finger traps where the line is looped back into itself or another line. It uses the same principle to seize the end of a cable to be pulled through a tube or tunnel. ![]() The principle was adapted for the use in surgery, and by 1873 was termed Schmall'sches Extensionsgeflecht ("Schmall's Extension Mesh"). Steinberger, a dentist at the Rudolfsspital in Vienna, reported the discovery of his doctoral student Schmall, who got the idea to use the toy ″Mädchenfänger" (girl catcher) for the extension of fingers and arms. Its development goes back to Austria in 1870 when Dr. One variation on the Chinese finger trap has uses in orthopedic medicine-namely, providing even pressure to the patient's digit(s) and at the same time immobilizing the joints-and serves a similar purpose as a traction device. Variants Chinese finger trap used to straighten and fix a Bennet's fracture A towing sock used to pull cable through a tube Victims of the prank may break the bamboo strips through physical strength when they pull outwards, attempting to free their fingers and stretching the trap beyond its limits. Ĭhinese finger traps are not intended for use as restraint devices. The same effect is used in specialized textile manufacturing, the Vivien Kellems cable grip, Indonesian woven fruit presses, and by fly-fishers. The more one pulls, the more the circumference shrinks and the trap tightens. The length is gained by reducing the angle between the warp and weft threads at their crossing points, but this reduces the radial distance between opposing sides and hence the overall circumference. Pulling the entire braid lengthens and narrows it. The tightening is simply a normal behavior of a cylindrical, helically wound braid, usually the common biaxial braid. The single-ended version, sold as a "girlfriend trap", has been available since at least 1870, when it was recorded as a "Mädchenfänger" or "girl catcher". The way to escape the trap is to push the ends toward the middle, which enlarges the openings and frees the fingers. The initial reaction of the victim is often to pull their fingers outward, but this only tightens the trap. ![]() The finger trap is a simple puzzle that traps the victim's fingers (often the index fingers) in both ends of a small cylinder woven from bamboo. JSTOR ( January 2016) ( Learn how and when to remove this template message)Ī Chinese finger trap (also known as a Chinese finger puzzle, Chinese thumb cuff, Chinese handcuffs, and similar variants) is a gag toy used to play a practical joke on unsuspecting children and adults.Unsourced material may be challenged and removed.įind sources: "Chinese finger trap" – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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