Thread Zap II Thread Burner - Requires one AA battery (not included) — That Bead Lady
Free Shipping Thread Zap II 2 Thread Burner Welding Wax Pen Welding Crayons for Jewelry Mould Wax - AliExpress
The Beadsmith Thread Zap, Thread Burner, 5.25 inches, Push Button, Battery Operated (1xAA), Trim, Burn and Melt Thread with one Touch, Ideal for Finishing Bead Weaving and stringing Projects