Live and Learn 🤔! Despite my “less is more” engineering philosophy, after watching one too many people struggle to find how my rings open, have decided to add a small dimple indicator. #learnfromyourcustomers (at Mill Valley, California) https://www.instagram.com/p/Bq-noOmBlZM/?utm_source=ig_tumblr_share&igshid=119vcblvjiwg2














