How to add & join a new fishing line when making a bracelet with beads

Beader coming to you for help / advice! My bracelets keep breaking for customers 😭 I have tried tigertail (breaks eventually, especially when beads are squeezed together accidentally), and I have tried

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How to add & join a new fishing line when making a bracelet with beads

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How to add & join a new fishing line when making a bracelet with beads