Mounting spring enables adjustable clamping force and controlled line tightness for precise handling Uniform line feeding provides consistent tension and protects the fishing line from uneven stress Strong vacuum suction cup securely attaches to smooth surfaces, allowing stable operation on glass tables or marble countertops Small and lightweight design can be easily disassembled for convenient transport and storage Benefits at a glance Precise tension control reduces line damage and improves result consistency Even line feed minimizes line wear and tensionrelated issues Stable, hands operation on nonporous surfaces for reliable use in various settings portable thanks to compact size and quick disassembly Use scenarios Home or workshop line setup: use the adjustable clamp to apply consistent tension while spooling, trimming, or repairing fishing line On a glass table or marble counter: secure the device with the vacuum suction cup to maintain a stable work surface during line maintenance or knot work Travel or field use: take advantage of the compact, lightweight, and disassemblable design for easy transport and quick setup onsite