How do I purchase additional sensors? Follow Arccos Caddie users may purchase additional Arccos Caddie Smart Sensors (regular and putter) through our website, shipping costs will be calculated at checkout. To purchase sensors, please visit our website. Related articles How do I view my membership status? Why won't one (or more) of my sensors pair? Tips, Tricks & Requirements for Pairing Can I use the Apple Watch for Shot Tracking? How do I attach a putter sensor to my counterbalanced SuperStroke Grip?