Captive market, obligation to shave as to hydrate every day, so no more reason than most cutting blade Gillette long as the first two shaves a OnTap faucet lasts longer than the battery inside. Amusing also from Amazon to offer a pack of 5 batteries with the OnTap tap, why? You never reach the end of the life of battery life (2-3 years) with a single tap OnTap. I'm on my 3rd in 4 years. It reminds me of Mrs Musquin (Josiane Balasko) stuck in the elevator in the "Father Christmas is a junk" and blowing in a completely lackluster plastic trumpet "junk is junk that, it is junk "Distress friendships ... hello! ... So yes, plastoc release quality for the clamping system, it will take a few months, if you spend the year with, try your luck at Lotto :-)