Zen Clipper has a patented conical blade that only allows the tip of the pet’s nail into the cutting area, it’s like putting the tip of the nail into a small funnel. You clip just the tip and avoid the quick. 

Clips the Tip and Not the Quick! The unique conical design protects the quick. The stainless steel blade design shears and does not crush the nail like other standard clippers.Made from high-quality stainless steel for a long-lasting, sharp-clipping edge and blades.The cushioned non-slip handle and stainless steel design make a comfortable clipper that is durable, attractive and easy to use.