Choosing a brooch by its clasp type
Most classic brooches are designed on a single principle: the clasp consists of a pin hinged to the frame and a catch that secures the pin in the closed position 👌
However, the types of catches vary:
- open – consists of a metal loop under which the pin is tucked;
- closed – prevents the mechanism from accidentally unfastening.
Closed catches are further divided into sub-types:
- barrel (plunger);
- revolver (drum);
- visor.
Barrel catch – the pin is inserted into a small tube that acts as a lock.
Revolver catch – a slot is cut into the center of the clasp housing. In the open position, the pin can enter, but when closed, a special 'trigger' prevents it from sliding back out.
Visor catch works on a similar principle and features a sliding sleeve that drops down to lock the pin (visor – like a helmet face shield).
For clarity, here are all 3 types of catches in one image.
So, which catch is best for a brooch? 😕
The open catch is the simplest – it is faster and easier to fasten, but the pin has a higher chance of 'breaking free.' It is only suitable for lightweight and very simple brooches.
For heavy jewelry, you definitely need a closed-type catch. And perhaps the barrel catch is the most reliable, as it completely hides the sharp end of the pin 👍
All other non-classic clasp variations, with detailed photos, can be found in my previous post 😉
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