The best way to remove pet hair from a sofa or any fabric involves a combination of methods, and a pet hair robotic vacuum can be a valuable tool in this process. Here's a step-by-step guide:

1. Preparation: Start by preparing the sofa. Remove any cushions and blankets to access all areas. If the fabric allows, lightly dampen it with a water mist. This can help loosen pet hair and make it easier to remove.
2. Use a Pet Hair Roller or Lint Brush: Begin by using a pet hair roller or lint brush. These tools have sticky surfaces that effectively lift and trap pet hair. Roll or brush them over the fabric, focusing on one section at a time.
3. Vacuum with a Pet Hair Robotic Vacuum: Employ a pet hair robotic vacuum for efficient and automated cleaning. These vacuums often come with brushes and suction power designed to tackle pet hair. Set it on the sofa or let it navigate around the fabric to pick up loose hairs.
4. Rubber Gloves or Squeegee: Put on rubber gloves and dampen them slightly. Run your hands over the fabric, and the rubber surface will attract and gather pet hair. Alternatively, use a rubber squeegee in a similar manner.
5. Fabric Softener Spray: Mix fabric softener with water in a spray bottle (1:1 ratio) and lightly mist the fabric. The fabric softener reduces static, making it easier to remove pet hair. After misting, use a lint brush or vacuum to pick up the softened hair.
6. Wash Removable Covers: If possible, remove fabric covers and launder them according to care instructions. Washing helps eliminate stubborn pet hair and refreshes the fabric.
7. Repeat if Necessary: If needed, repeat the process until you've effectively removed the pet hair.

Regular maintenance with a pet hair robotic vacuum can help prevent excessive hair buildup on sofas and fabrics. Additionally, combining manual methods with the automated cleaning power of a robotic vacuum ensures a thorough and efficient removal of pet hair.