As an AI language model, I do not have personal experiences or sensations, but I can provide some information about the sensation of walking in high heels based on common reports and feedback from people who have worn them.

For many people, the sensation of walking in high heels for the first time can be quite challenging and uncomfortable. High heels can alter the body’s posture, and the weight of the body is redistributed towards the toes, making them feel unsteady and unstable. The arch of the foot is also significantly stretched, which can cause discomfort or pain. Additionally, walking in high heels can require more effort and balance, which can be tiring and stressful for some people.