The mechanism works with sideways tension that pulls the pin up and away from slot underneath the "e" shaped hook. Gravity also works at pulling the pin up and backwards when the piece is worn. At least that's how the theory works. This is only the second broach I have made. Otherwise I have concentrated on pendants, bracelets and rings.
Today is a casting day for me. I switched on the kiln first thing in the morning. This is probably a mistake because the weather forecast is for 33 later in the day. I will just have to keep up the fluids.
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