clutch (pin fastener) on:
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A butterfly clutch is a device that attaches to the back of a tack
A butterfly clutch is a device that attaches to the back of a tack pin
A pin is a device used for fastening objects or material together.
Pin or PIN may also refer to:
Computers and technology
* Personal identification number (PIN), to access a secured system
** PIN pad, a PIN entry device
* PIN, a former Dutch ...
to secure an accessory to clothing.
Butterfly clutches are used for various kind of brooches, badges, and medals. They are less secure compared to other types of pins such as prongs and safety pins
The safety pin is a variation of the regular pin which includes a simple spring mechanism and a clasp. The clasp forms a closed loop to properly fasten the pin to whatever it is applied to and covers the end of the pin to protect the user from th ...
, especially when the surface of the medium to which they go through is thick (e.g. wool
Wool is the textile fibre obtained from sheep and other mammals, especially goats, rabbits, and camelids. The term may also refer to inorganic materials, such as mineral wool and glass wool, that have properties similar to animal wool. ...
) or when the accessory to which clutches are applied is too heavy (e.g. military order). Butterfly clutches are sometimes known as dammits, especially in military circles, after the phrase one says when one belonging to an important badge or medal
A medal or medallion is a small portable artistic object, a thin disc, normally of metal, carrying a design, usually on both sides. They typically have a commemorative purpose of some kind, and many are presented as awards. They may be int ...
is lost.
References