Shielding is less about protection and more about saturating our energy field with a specific frequency of light that's going to firm it up and make it as powerful as possible. When we look to shield for protection, we can tend to make a few mistakes that can actually attract the things we're trying to keep out because we are in resonance with fear. Fear usually attracts fearful things.
The key is to not view shielding as a barricade against unwanted energy, but as a way to increase our field to a vibration that is more in alignment with our higher self and ascension timeline.
Here are some techniques that are non fear-based and extremely helpful.