What's the purpose of the ball and spring on earrings hooks? : r/jewelry

Items: 316 Surgical Stainless Steel Earring French Hooks with Spring and Ball - Silver Tone, Quantity: 50 pcs (25 pairs), Measurement: 20.5mm x 20mm,

50 pcs. 316 Surgical Stainless Steel Silver Tone French Earring Hooks with Spring and Ball - 20.5mm - 3mm Ball - 20 Gauge (0.8mm Thick)

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250 pcs. Assortment of Earring Hooks with Spring and Ball-18x19mm-5 Colors: Silver Plated, Gold Plated, Rose Gold, Silver Tone, Bronze

Gold Triangle Dangle Earrings with Swarovski Crystal Drops

Package Includes: 3 pairs gold filled earring hooks; Size: 20mm long, loop size: 2mm; pin: 0.6mm, for details, please refer to pic2 Premium Material

BENECREAT 3 Pairs 14K Gold Filled Earring Hooks Ball End Earring Wires Dangle Earring Findings for DIY Jewelry Making - 20x11mm

The Ultimate Guide to Cartilage Piercing Jewelry: Everything You Need – Pierced

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