Click & Lock jump rings look just like regular jump rings and can be soldered closed just like regular jump rings. They are no more expensive than
8mm Sterling Silver Round Open Twist Lock Jump Ring (1-Pc)
925 Sterling Silver Round Open Jump Rings
Anillos de enganche Click & Lock redondos de plata esterlina — Otto Frei
Glardon-Vallorbe Flat Hand Precision Files - LP1163, Otto Frei
Bulk 50-100 Pcs, 5mm, 22ga Gauge, Click and Lock 925 Sterling Silver Open Jump Ring, Strong and Sturdy - Australia
Link-Lock Sterling Silver Locking Jump Ring (2 Pieces) - Rings & Things
D-Master Soft Tip Diamond Tweezers
Oval Large Bezel Mandrel-8mm X 12mm to 26mm x 34mm Made in Italy, Otto Frei
Busch 447AU Pave Cut Carbide Twist Drill Round Burs On 3/32 Shanks, Otto Frei
925 Sterling Silver Link Lock Jump Ring 4.6 X 1.8mm
925 Sterling Silver Link Lock Locking Jump Rings, 10 pcs. Made in Aust – Infinity Plus Infinity
Jump Ring Thickness: 22ga - 0.64mm
5mm 22ga Round Open Click & Lock Jump Rings 14kt Gold Filled
Jump Ring Thickness: 22ga - 0.64mm
5mm 22ga Round Open Click & Lock Jump Rings 14kt Gold Filled
JBB Antique Silver-Plated Pewter Textured Round Locking Jump Ring
Wholesale 3mm 22ga Open Click & Lock Jump Rings 14kt RGF