Magicians have used black markers for years to camouflage "invisible" thread. The problem is markers contain solvents that weaken thread to disastrous extremes, and the brittle thread breaks during performance. Awkward!

Problem solved. Introducing formula SR9!

This revolutionary new Cloaking Fluid reduces shine from Nylon, Kevlar, and Elastic Thread, concealing it beneath a flat black sheath. Thread vanishes right before your eyes! Even black thread benefits from the power of SR9. And best of all, your thread remains strong!

• Easy to use applicator pen!
• Compatible with all invisible threads!
• Perform with IT & IET in more venues!
• Thread vanishes right before your eyes!

Includes one applicator pen prefilled with SR9 Cloaking Fluid. The pen, specifically designed for SR9, features a special nib material that will not harm invisible threads. Simply slide the pen across thread to apply. Incredible results, Fast!