Main wire = 4 x circumference of bracelets (if you want to get thicker you can use 6 times) - Coil spring = 15 - 18 x circumference of bracelets (using a wire with a small diameter will require a ...

Discover the intricate process of giant spring production at a specialized factory. Delve into each step, from selecting high-quality metals to the precision crafting of each coil. See firsthand how ...

Although you can't see it in the video, a spring compressor is being used, but when the compressed spring clears the lower control arm, the tool fails sending metal parts flying all over the shop.