This allows the trailing edges to align with the center of the silicone bed, creating a sharp 90 - degree lash curl and perfect arch for any shaped eye. (thefashionablegal.com)
Make sure you can perform at least 10 perfect archer push ups (5 per side) before training with these variations. (allthingsstrength.com)
Even if your feet have perfect arches, the Stretch Plus arch support is beneficial. (geekwrapped.com)