The Diabetic Toes Test by Medipin Used by Diabetics - The early warning to detect loss of protective sensation This is Medipin – a handy disposable device you can use for checking your feet for Loss Of Protective Sensation once a month. Just follow the easy instructions on the back of the pack to perform the test. Dispose after use. Each Home-Testing Pack contains 12 Medipins for a one-year supply of Diabetic Toe Tests