Non-Slip Quilting Ruler for Rotary Cutting | Quilting Tool - Quilters Slidelock, The Quilters Slidelock is a true, non-slip quilting ruler that solves the three biggest problems quilters face cutting fabric: slippage, cutting and frustration. The Quilters Slidelock holds the fabric securely, protects your fingers, and is easy to use! Ideal for arthritis and carpal tunnel sufferers too.