"I did a lot of stunts, so the harness work isn't foreign to me either"

Victoria Pratt is referring to her experience with stunt work. She is indicating that she is familiar with using harnesses, which are typically used in stunt work. This suggests that she has done a great deal of stunts in her career, and is comfy with using harnesses. This quote likewise implies that she is confident in her ability to do stunts, as she is familiar with making use of harnesses. This might be analyzed as her being proud of her experience and skill in stunt work. It could also be interpreted as her being positive in her capability to take on brand-new obstacles, as she is comfy with using harnesses. Overall, this quote recommends that Victoria Pratt is a knowledgeable stunt entertainer, and is positive in her capability to take on new difficulties.