These connectors are a game changer in the beading and jewelry making world! As my tests showed, they are durable, easy to use, and add the perfect finishing touch to any necklace .The sleek S shape design is both modern and versatile making it easy to match with any style of beads. The only con is that it can be difficult to insert thinner cords, but with A little bit of patience and practice, it's definitely worth the effort..See full review